Integrand size = 25, antiderivative size = 360 \[ \int \frac {1}{(e \cot (c+d x))^{3/2} (a+b \cot (c+d x))^2} \, dx=\frac {b^{5/2} \left (7 a^2+3 b^2\right ) \arctan \left (\frac {\sqrt {b} \sqrt {e \cot (c+d x)}}{\sqrt {a} \sqrt {e}}\right )}{a^{5/2} \left (a^2+b^2\right )^2 d e^{3/2}}-\frac {\left (a^2+2 a b-b^2\right ) \arctan \left (1-\frac {\sqrt {2} \sqrt {e \cot (c+d x)}}{\sqrt {e}}\right )}{\sqrt {2} \left (a^2+b^2\right )^2 d e^{3/2}}+\frac {\left (a^2+2 a b-b^2\right ) \arctan \left (1+\frac {\sqrt {2} \sqrt {e \cot (c+d x)}}{\sqrt {e}}\right )}{\sqrt {2} \left (a^2+b^2\right )^2 d e^{3/2}}-\frac {\left (a^2-2 a b-b^2\right ) \text {arctanh}\left (\frac {\sqrt {2} \sqrt {e \cot (c+d x)}}{\sqrt {e}+\sqrt {e} \cot (c+d x)}\right )}{\sqrt {2} \left (a^2+b^2\right )^2 d e^{3/2}}+\frac {2 a^2+3 b^2}{a^2 \left (a^2+b^2\right ) d e \sqrt {e \cot (c+d x)}}-\frac {b^2}{a \left (a^2+b^2\right ) d e \sqrt {e \cot (c+d x)} (a+b \cot (c+d x))} \] Output:
b^(5/2)*(7*a^2+3*b^2)*arctan(b^(1/2)*(e*cot(d*x+c))^(1/2)/a^(1/2)/e^(1/2)) /a^(5/2)/(a^2+b^2)^2/d/e^(3/2)-1/2*(a^2+2*a*b-b^2)*arctan(1-2^(1/2)*(e*cot (d*x+c))^(1/2)/e^(1/2))*2^(1/2)/(a^2+b^2)^2/d/e^(3/2)+1/2*(a^2+2*a*b-b^2)* arctan(1+2^(1/2)*(e*cot(d*x+c))^(1/2)/e^(1/2))*2^(1/2)/(a^2+b^2)^2/d/e^(3/ 2)-1/2*(a^2-2*a*b-b^2)*arctanh(2^(1/2)*(e*cot(d*x+c))^(1/2)/(e^(1/2)+e^(1/ 2)*cot(d*x+c)))*2^(1/2)/(a^2+b^2)^2/d/e^(3/2)+(2*a^2+3*b^2)/a^2/(a^2+b^2)/ d/e/(e*cot(d*x+c))^(1/2)-b^2/a/(a^2+b^2)/d/e/(e*cot(d*x+c))^(1/2)/(a+b*cot (d*x+c))
Result contains higher order function than in optimal. Order 5 vs. order 3 in optimal.
Time = 0.36 (sec) , antiderivative size = 244, normalized size of antiderivative = 0.68 \[ \int \frac {1}{(e \cot (c+d x))^{3/2} (a+b \cot (c+d x))^2} \, dx=\frac {8 a^2 b^2 \operatorname {Hypergeometric2F1}\left (-\frac {1}{2},1,\frac {1}{2},-\frac {b \cot (c+d x)}{a}\right )+4 b^2 \left (a^2+b^2\right ) \operatorname {Hypergeometric2F1}\left (-\frac {1}{2},2,\frac {1}{2},-\frac {b \cot (c+d x)}{a}\right )+a^2 \left (4 \left (a^2-b^2\right ) \operatorname {Hypergeometric2F1}\left (-\frac {1}{4},1,\frac {3}{4},-\cot ^2(c+d x)\right )+\sqrt {2} a b \sqrt {\cot (c+d x)} \left (-2 \arctan \left (1-\sqrt {2} \sqrt {\cot (c+d x)}\right )+2 \arctan \left (1+\sqrt {2} \sqrt {\cot (c+d x)}\right )-\log \left (1-\sqrt {2} \sqrt {\cot (c+d x)}+\cot (c+d x)\right )+\log \left (1+\sqrt {2} \sqrt {\cot (c+d x)}+\cot (c+d x)\right )\right )\right )}{2 a^2 \left (a^2+b^2\right )^2 d e \sqrt {e \cot (c+d x)}} \] Input:
Integrate[1/((e*Cot[c + d*x])^(3/2)*(a + b*Cot[c + d*x])^2),x]
Output:
(8*a^2*b^2*Hypergeometric2F1[-1/2, 1, 1/2, -((b*Cot[c + d*x])/a)] + 4*b^2* (a^2 + b^2)*Hypergeometric2F1[-1/2, 2, 1/2, -((b*Cot[c + d*x])/a)] + a^2*( 4*(a^2 - b^2)*Hypergeometric2F1[-1/4, 1, 3/4, -Cot[c + d*x]^2] + Sqrt[2]*a *b*Sqrt[Cot[c + d*x]]*(-2*ArcTan[1 - Sqrt[2]*Sqrt[Cot[c + d*x]]] + 2*ArcTa n[1 + Sqrt[2]*Sqrt[Cot[c + d*x]]] - Log[1 - Sqrt[2]*Sqrt[Cot[c + d*x]] + C ot[c + d*x]] + Log[1 + Sqrt[2]*Sqrt[Cot[c + d*x]] + Cot[c + d*x]])))/(2*a^ 2*(a^2 + b^2)^2*d*e*Sqrt[e*Cot[c + d*x]])
Time = 2.06 (sec) , antiderivative size = 401, normalized size of antiderivative = 1.11, number of steps used = 25, number of rules used = 24, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.960, Rules used = {3042, 4052, 27, 3042, 4132, 27, 3042, 4136, 27, 3042, 4017, 25, 27, 1482, 1476, 1082, 217, 1479, 25, 27, 1103, 4117, 73, 218}
Below are the steps used by Rubi to obtain the solution. The rule number used for the transformation is given above next to the arrow. The rules definitions used are listed below.
\(\displaystyle \int \frac {1}{(e \cot (c+d x))^{3/2} (a+b \cot (c+d x))^2} \, dx\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle \int \frac {1}{\left (-e \tan \left (c+d x+\frac {\pi }{2}\right )\right )^{3/2} \left (a-b \tan \left (c+d x+\frac {\pi }{2}\right )\right )^2}dx\) |
\(\Big \downarrow \) 4052 |
\(\displaystyle -\frac {\int -\frac {3 b^2 e \cot ^2(c+d x)-2 a b e \cot (c+d x)+\left (2 a^2+3 b^2\right ) e}{2 (e \cot (c+d x))^{3/2} (a+b \cot (c+d x))}dx}{a e \left (a^2+b^2\right )}-\frac {b^2}{a d e \left (a^2+b^2\right ) \sqrt {e \cot (c+d x)} (a+b \cot (c+d x))}\) |
\(\Big \downarrow \) 27 |
\(\displaystyle \frac {\int \frac {3 b^2 e \cot ^2(c+d x)-2 a b e \cot (c+d x)+\left (2 a^2+3 b^2\right ) e}{(e \cot (c+d x))^{3/2} (a+b \cot (c+d x))}dx}{2 a e \left (a^2+b^2\right )}-\frac {b^2}{a d e \left (a^2+b^2\right ) \sqrt {e \cot (c+d x)} (a+b \cot (c+d x))}\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle \frac {\int \frac {3 b^2 e \tan \left (c+d x+\frac {\pi }{2}\right )^2+2 a b e \tan \left (c+d x+\frac {\pi }{2}\right )+\left (2 a^2+3 b^2\right ) e}{\left (-e \tan \left (c+d x+\frac {\pi }{2}\right )\right )^{3/2} \left (a-b \tan \left (c+d x+\frac {\pi }{2}\right )\right )}dx}{2 a e \left (a^2+b^2\right )}-\frac {b^2}{a d e \left (a^2+b^2\right ) \sqrt {e \cot (c+d x)} (a+b \cot (c+d x))}\) |
\(\Big \downarrow \) 4132 |
\(\displaystyle \frac {\frac {2 \int -\frac {b \left (2 a^2+3 b^2\right ) \cot ^2(c+d x) e^3+b \left (4 a^2+3 b^2\right ) e^3+2 a^3 \cot (c+d x) e^3}{2 \sqrt {e \cot (c+d x)} (a+b \cot (c+d x))}dx}{a e^3}+\frac {2 \left (2 a^2+3 b^2\right )}{a d \sqrt {e \cot (c+d x)}}}{2 a e \left (a^2+b^2\right )}-\frac {b^2}{a d e \left (a^2+b^2\right ) \sqrt {e \cot (c+d x)} (a+b \cot (c+d x))}\) |
\(\Big \downarrow \) 27 |
\(\displaystyle \frac {\frac {2 \left (2 a^2+3 b^2\right )}{a d \sqrt {e \cot (c+d x)}}-\frac {\int \frac {b \left (2 a^2+3 b^2\right ) \cot ^2(c+d x) e^3+b \left (4 a^2+3 b^2\right ) e^3+2 a^3 \cot (c+d x) e^3}{\sqrt {e \cot (c+d x)} (a+b \cot (c+d x))}dx}{a e^3}}{2 a e \left (a^2+b^2\right )}-\frac {b^2}{a d e \left (a^2+b^2\right ) \sqrt {e \cot (c+d x)} (a+b \cot (c+d x))}\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle \frac {\frac {2 \left (2 a^2+3 b^2\right )}{a d \sqrt {e \cot (c+d x)}}-\frac {\int \frac {b \left (2 a^2+3 b^2\right ) \tan \left (c+d x+\frac {\pi }{2}\right )^2 e^3+b \left (4 a^2+3 b^2\right ) e^3-2 a^3 \tan \left (c+d x+\frac {\pi }{2}\right ) e^3}{\sqrt {-e \tan \left (c+d x+\frac {\pi }{2}\right )} \left (a-b \tan \left (c+d x+\frac {\pi }{2}\right )\right )}dx}{a e^3}}{2 a e \left (a^2+b^2\right )}-\frac {b^2}{a d e \left (a^2+b^2\right ) \sqrt {e \cot (c+d x)} (a+b \cot (c+d x))}\) |
\(\Big \downarrow \) 4136 |
\(\displaystyle \frac {\frac {2 \left (2 a^2+3 b^2\right )}{a d \sqrt {e \cot (c+d x)}}-\frac {\frac {b^3 e^3 \left (7 a^2+3 b^2\right ) \int \frac {\cot ^2(c+d x)+1}{\sqrt {e \cot (c+d x)} (a+b \cot (c+d x))}dx}{a^2+b^2}+\frac {\int \frac {2 \left (2 a^3 b e^3+a^2 \left (a^2-b^2\right ) \cot (c+d x) e^3\right )}{\sqrt {e \cot (c+d x)}}dx}{a^2+b^2}}{a e^3}}{2 a e \left (a^2+b^2\right )}-\frac {b^2}{a d e \left (a^2+b^2\right ) \sqrt {e \cot (c+d x)} (a+b \cot (c+d x))}\) |
\(\Big \downarrow \) 27 |
\(\displaystyle \frac {\frac {2 \left (2 a^2+3 b^2\right )}{a d \sqrt {e \cot (c+d x)}}-\frac {\frac {b^3 e^3 \left (7 a^2+3 b^2\right ) \int \frac {\cot ^2(c+d x)+1}{\sqrt {e \cot (c+d x)} (a+b \cot (c+d x))}dx}{a^2+b^2}+\frac {2 \int \frac {2 a^3 b e^3+a^2 \left (a^2-b^2\right ) \cot (c+d x) e^3}{\sqrt {e \cot (c+d x)}}dx}{a^2+b^2}}{a e^3}}{2 a e \left (a^2+b^2\right )}-\frac {b^2}{a d e \left (a^2+b^2\right ) \sqrt {e \cot (c+d x)} (a+b \cot (c+d x))}\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle \frac {\frac {2 \left (2 a^2+3 b^2\right )}{a d \sqrt {e \cot (c+d x)}}-\frac {\frac {b^3 e^3 \left (7 a^2+3 b^2\right ) \int \frac {\tan \left (c+d x+\frac {\pi }{2}\right )^2+1}{\sqrt {-e \tan \left (c+d x+\frac {\pi }{2}\right )} \left (a-b \tan \left (c+d x+\frac {\pi }{2}\right )\right )}dx}{a^2+b^2}+\frac {2 \int \frac {2 a^3 b e^3-a^2 \left (a^2-b^2\right ) e^3 \tan \left (c+d x+\frac {\pi }{2}\right )}{\sqrt {-e \tan \left (c+d x+\frac {\pi }{2}\right )}}dx}{a^2+b^2}}{a e^3}}{2 a e \left (a^2+b^2\right )}-\frac {b^2}{a d e \left (a^2+b^2\right ) \sqrt {e \cot (c+d x)} (a+b \cot (c+d x))}\) |
\(\Big \downarrow \) 4017 |
\(\displaystyle \frac {\frac {2 \left (2 a^2+3 b^2\right )}{a d \sqrt {e \cot (c+d x)}}-\frac {\frac {4 \int -\frac {a^2 e^3 \left (2 a b e+\left (a^2-b^2\right ) \cot (c+d x) e\right )}{\cot ^2(c+d x) e^2+e^2}d\sqrt {e \cot (c+d x)}}{d \left (a^2+b^2\right )}+\frac {b^3 e^3 \left (7 a^2+3 b^2\right ) \int \frac {\tan \left (c+d x+\frac {\pi }{2}\right )^2+1}{\sqrt {-e \tan \left (c+d x+\frac {\pi }{2}\right )} \left (a-b \tan \left (c+d x+\frac {\pi }{2}\right )\right )}dx}{a^2+b^2}}{a e^3}}{2 a e \left (a^2+b^2\right )}-\frac {b^2}{a d e \left (a^2+b^2\right ) \sqrt {e \cot (c+d x)} (a+b \cot (c+d x))}\) |
\(\Big \downarrow \) 25 |
\(\displaystyle \frac {\frac {2 \left (2 a^2+3 b^2\right )}{a d \sqrt {e \cot (c+d x)}}-\frac {\frac {b^3 e^3 \left (7 a^2+3 b^2\right ) \int \frac {\tan \left (c+d x+\frac {\pi }{2}\right )^2+1}{\sqrt {-e \tan \left (c+d x+\frac {\pi }{2}\right )} \left (a-b \tan \left (c+d x+\frac {\pi }{2}\right )\right )}dx}{a^2+b^2}-\frac {4 \int \frac {a^2 e^3 \left (2 a b e+\left (a^2-b^2\right ) \cot (c+d x) e\right )}{\cot ^2(c+d x) e^2+e^2}d\sqrt {e \cot (c+d x)}}{d \left (a^2+b^2\right )}}{a e^3}}{2 a e \left (a^2+b^2\right )}-\frac {b^2}{a d e \left (a^2+b^2\right ) \sqrt {e \cot (c+d x)} (a+b \cot (c+d x))}\) |
\(\Big \downarrow \) 27 |
\(\displaystyle \frac {\frac {2 \left (2 a^2+3 b^2\right )}{a d \sqrt {e \cot (c+d x)}}-\frac {\frac {b^3 e^3 \left (7 a^2+3 b^2\right ) \int \frac {\tan \left (c+d x+\frac {\pi }{2}\right )^2+1}{\sqrt {-e \tan \left (c+d x+\frac {\pi }{2}\right )} \left (a-b \tan \left (c+d x+\frac {\pi }{2}\right )\right )}dx}{a^2+b^2}-\frac {4 a^2 e^3 \int \frac {2 a b e+\left (a^2-b^2\right ) \cot (c+d x) e}{\cot ^2(c+d x) e^2+e^2}d\sqrt {e \cot (c+d x)}}{d \left (a^2+b^2\right )}}{a e^3}}{2 a e \left (a^2+b^2\right )}-\frac {b^2}{a d e \left (a^2+b^2\right ) \sqrt {e \cot (c+d x)} (a+b \cot (c+d x))}\) |
\(\Big \downarrow \) 1482 |
\(\displaystyle \frac {\frac {2 \left (2 a^2+3 b^2\right )}{a d \sqrt {e \cot (c+d x)}}-\frac {\frac {b^3 e^3 \left (7 a^2+3 b^2\right ) \int \frac {\tan \left (c+d x+\frac {\pi }{2}\right )^2+1}{\sqrt {-e \tan \left (c+d x+\frac {\pi }{2}\right )} \left (a-b \tan \left (c+d x+\frac {\pi }{2}\right )\right )}dx}{a^2+b^2}-\frac {4 a^2 e^3 \left (\frac {1}{2} \left (a^2+2 a b-b^2\right ) \int \frac {\cot (c+d x) e+e}{\cot ^2(c+d x) e^2+e^2}d\sqrt {e \cot (c+d x)}-\frac {1}{2} \left (a^2-2 a b-b^2\right ) \int \frac {e-e \cot (c+d x)}{\cot ^2(c+d x) e^2+e^2}d\sqrt {e \cot (c+d x)}\right )}{d \left (a^2+b^2\right )}}{a e^3}}{2 a e \left (a^2+b^2\right )}-\frac {b^2}{a d e \left (a^2+b^2\right ) \sqrt {e \cot (c+d x)} (a+b \cot (c+d x))}\) |
\(\Big \downarrow \) 1476 |
\(\displaystyle \frac {\frac {2 \left (2 a^2+3 b^2\right )}{a d \sqrt {e \cot (c+d x)}}-\frac {\frac {b^3 e^3 \left (7 a^2+3 b^2\right ) \int \frac {\tan \left (c+d x+\frac {\pi }{2}\right )^2+1}{\sqrt {-e \tan \left (c+d x+\frac {\pi }{2}\right )} \left (a-b \tan \left (c+d x+\frac {\pi }{2}\right )\right )}dx}{a^2+b^2}-\frac {4 a^2 e^3 \left (\frac {1}{2} \left (a^2+2 a b-b^2\right ) \left (\frac {1}{2} \int \frac {1}{\cot (c+d x) e+e-\sqrt {2} \sqrt {e \cot (c+d x)} \sqrt {e}}d\sqrt {e \cot (c+d x)}+\frac {1}{2} \int \frac {1}{\cot (c+d x) e+e+\sqrt {2} \sqrt {e \cot (c+d x)} \sqrt {e}}d\sqrt {e \cot (c+d x)}\right )-\frac {1}{2} \left (a^2-2 a b-b^2\right ) \int \frac {e-e \cot (c+d x)}{\cot ^2(c+d x) e^2+e^2}d\sqrt {e \cot (c+d x)}\right )}{d \left (a^2+b^2\right )}}{a e^3}}{2 a e \left (a^2+b^2\right )}-\frac {b^2}{a d e \left (a^2+b^2\right ) \sqrt {e \cot (c+d x)} (a+b \cot (c+d x))}\) |
\(\Big \downarrow \) 1082 |
\(\displaystyle \frac {\frac {2 \left (2 a^2+3 b^2\right )}{a d \sqrt {e \cot (c+d x)}}-\frac {\frac {b^3 e^3 \left (7 a^2+3 b^2\right ) \int \frac {\tan \left (c+d x+\frac {\pi }{2}\right )^2+1}{\sqrt {-e \tan \left (c+d x+\frac {\pi }{2}\right )} \left (a-b \tan \left (c+d x+\frac {\pi }{2}\right )\right )}dx}{a^2+b^2}-\frac {4 a^2 e^3 \left (\frac {1}{2} \left (a^2+2 a b-b^2\right ) \left (\frac {\int \frac {1}{-e \cot (c+d x)-1}d\left (1-\frac {\sqrt {2} \sqrt {e \cot (c+d x)}}{\sqrt {e}}\right )}{\sqrt {2} \sqrt {e}}-\frac {\int \frac {1}{-e \cot (c+d x)-1}d\left (\frac {\sqrt {2} \sqrt {e \cot (c+d x)}}{\sqrt {e}}+1\right )}{\sqrt {2} \sqrt {e}}\right )-\frac {1}{2} \left (a^2-2 a b-b^2\right ) \int \frac {e-e \cot (c+d x)}{\cot ^2(c+d x) e^2+e^2}d\sqrt {e \cot (c+d x)}\right )}{d \left (a^2+b^2\right )}}{a e^3}}{2 a e \left (a^2+b^2\right )}-\frac {b^2}{a d e \left (a^2+b^2\right ) \sqrt {e \cot (c+d x)} (a+b \cot (c+d x))}\) |
\(\Big \downarrow \) 217 |
\(\displaystyle \frac {\frac {2 \left (2 a^2+3 b^2\right )}{a d \sqrt {e \cot (c+d x)}}-\frac {\frac {b^3 e^3 \left (7 a^2+3 b^2\right ) \int \frac {\tan \left (c+d x+\frac {\pi }{2}\right )^2+1}{\sqrt {-e \tan \left (c+d x+\frac {\pi }{2}\right )} \left (a-b \tan \left (c+d x+\frac {\pi }{2}\right )\right )}dx}{a^2+b^2}-\frac {4 a^2 e^3 \left (\frac {1}{2} \left (a^2+2 a b-b^2\right ) \left (\frac {\arctan \left (\frac {\sqrt {2} \sqrt {e \cot (c+d x)}}{\sqrt {e}}+1\right )}{\sqrt {2} \sqrt {e}}-\frac {\arctan \left (1-\frac {\sqrt {2} \sqrt {e \cot (c+d x)}}{\sqrt {e}}\right )}{\sqrt {2} \sqrt {e}}\right )-\frac {1}{2} \left (a^2-2 a b-b^2\right ) \int \frac {e-e \cot (c+d x)}{\cot ^2(c+d x) e^2+e^2}d\sqrt {e \cot (c+d x)}\right )}{d \left (a^2+b^2\right )}}{a e^3}}{2 a e \left (a^2+b^2\right )}-\frac {b^2}{a d e \left (a^2+b^2\right ) \sqrt {e \cot (c+d x)} (a+b \cot (c+d x))}\) |
\(\Big \downarrow \) 1479 |
\(\displaystyle \frac {\frac {2 \left (2 a^2+3 b^2\right )}{a d \sqrt {e \cot (c+d x)}}-\frac {\frac {b^3 e^3 \left (7 a^2+3 b^2\right ) \int \frac {\tan \left (c+d x+\frac {\pi }{2}\right )^2+1}{\sqrt {-e \tan \left (c+d x+\frac {\pi }{2}\right )} \left (a-b \tan \left (c+d x+\frac {\pi }{2}\right )\right )}dx}{a^2+b^2}-\frac {4 a^2 e^3 \left (\frac {1}{2} \left (a^2+2 a b-b^2\right ) \left (\frac {\arctan \left (\frac {\sqrt {2} \sqrt {e \cot (c+d x)}}{\sqrt {e}}+1\right )}{\sqrt {2} \sqrt {e}}-\frac {\arctan \left (1-\frac {\sqrt {2} \sqrt {e \cot (c+d x)}}{\sqrt {e}}\right )}{\sqrt {2} \sqrt {e}}\right )-\frac {1}{2} \left (a^2-2 a b-b^2\right ) \left (-\frac {\int -\frac {\sqrt {2} \sqrt {e}-2 \sqrt {e \cot (c+d x)}}{\cot (c+d x) e+e-\sqrt {2} \sqrt {e \cot (c+d x)} \sqrt {e}}d\sqrt {e \cot (c+d x)}}{2 \sqrt {2} \sqrt {e}}-\frac {\int -\frac {\sqrt {2} \left (\sqrt {e}+\sqrt {2} \sqrt {e \cot (c+d x)}\right )}{\cot (c+d x) e+e+\sqrt {2} \sqrt {e \cot (c+d x)} \sqrt {e}}d\sqrt {e \cot (c+d x)}}{2 \sqrt {2} \sqrt {e}}\right )\right )}{d \left (a^2+b^2\right )}}{a e^3}}{2 a e \left (a^2+b^2\right )}-\frac {b^2}{a d e \left (a^2+b^2\right ) \sqrt {e \cot (c+d x)} (a+b \cot (c+d x))}\) |
\(\Big \downarrow \) 25 |
\(\displaystyle \frac {\frac {2 \left (2 a^2+3 b^2\right )}{a d \sqrt {e \cot (c+d x)}}-\frac {\frac {b^3 e^3 \left (7 a^2+3 b^2\right ) \int \frac {\tan \left (c+d x+\frac {\pi }{2}\right )^2+1}{\sqrt {-e \tan \left (c+d x+\frac {\pi }{2}\right )} \left (a-b \tan \left (c+d x+\frac {\pi }{2}\right )\right )}dx}{a^2+b^2}-\frac {4 a^2 e^3 \left (\frac {1}{2} \left (a^2+2 a b-b^2\right ) \left (\frac {\arctan \left (\frac {\sqrt {2} \sqrt {e \cot (c+d x)}}{\sqrt {e}}+1\right )}{\sqrt {2} \sqrt {e}}-\frac {\arctan \left (1-\frac {\sqrt {2} \sqrt {e \cot (c+d x)}}{\sqrt {e}}\right )}{\sqrt {2} \sqrt {e}}\right )-\frac {1}{2} \left (a^2-2 a b-b^2\right ) \left (\frac {\int \frac {\sqrt {2} \sqrt {e}-2 \sqrt {e \cot (c+d x)}}{\cot (c+d x) e+e-\sqrt {2} \sqrt {e \cot (c+d x)} \sqrt {e}}d\sqrt {e \cot (c+d x)}}{2 \sqrt {2} \sqrt {e}}+\frac {\int \frac {\sqrt {2} \left (\sqrt {e}+\sqrt {2} \sqrt {e \cot (c+d x)}\right )}{\cot (c+d x) e+e+\sqrt {2} \sqrt {e \cot (c+d x)} \sqrt {e}}d\sqrt {e \cot (c+d x)}}{2 \sqrt {2} \sqrt {e}}\right )\right )}{d \left (a^2+b^2\right )}}{a e^3}}{2 a e \left (a^2+b^2\right )}-\frac {b^2}{a d e \left (a^2+b^2\right ) \sqrt {e \cot (c+d x)} (a+b \cot (c+d x))}\) |
\(\Big \downarrow \) 27 |
\(\displaystyle \frac {\frac {2 \left (2 a^2+3 b^2\right )}{a d \sqrt {e \cot (c+d x)}}-\frac {\frac {b^3 e^3 \left (7 a^2+3 b^2\right ) \int \frac {\tan \left (c+d x+\frac {\pi }{2}\right )^2+1}{\sqrt {-e \tan \left (c+d x+\frac {\pi }{2}\right )} \left (a-b \tan \left (c+d x+\frac {\pi }{2}\right )\right )}dx}{a^2+b^2}-\frac {4 a^2 e^3 \left (\frac {1}{2} \left (a^2+2 a b-b^2\right ) \left (\frac {\arctan \left (\frac {\sqrt {2} \sqrt {e \cot (c+d x)}}{\sqrt {e}}+1\right )}{\sqrt {2} \sqrt {e}}-\frac {\arctan \left (1-\frac {\sqrt {2} \sqrt {e \cot (c+d x)}}{\sqrt {e}}\right )}{\sqrt {2} \sqrt {e}}\right )-\frac {1}{2} \left (a^2-2 a b-b^2\right ) \left (\frac {\int \frac {\sqrt {2} \sqrt {e}-2 \sqrt {e \cot (c+d x)}}{\cot (c+d x) e+e-\sqrt {2} \sqrt {e \cot (c+d x)} \sqrt {e}}d\sqrt {e \cot (c+d x)}}{2 \sqrt {2} \sqrt {e}}+\frac {\int \frac {\sqrt {e}+\sqrt {2} \sqrt {e \cot (c+d x)}}{\cot (c+d x) e+e+\sqrt {2} \sqrt {e \cot (c+d x)} \sqrt {e}}d\sqrt {e \cot (c+d x)}}{2 \sqrt {e}}\right )\right )}{d \left (a^2+b^2\right )}}{a e^3}}{2 a e \left (a^2+b^2\right )}-\frac {b^2}{a d e \left (a^2+b^2\right ) \sqrt {e \cot (c+d x)} (a+b \cot (c+d x))}\) |
\(\Big \downarrow \) 1103 |
\(\displaystyle \frac {\frac {2 \left (2 a^2+3 b^2\right )}{a d \sqrt {e \cot (c+d x)}}-\frac {\frac {b^3 e^3 \left (7 a^2+3 b^2\right ) \int \frac {\tan \left (c+d x+\frac {\pi }{2}\right )^2+1}{\sqrt {-e \tan \left (c+d x+\frac {\pi }{2}\right )} \left (a-b \tan \left (c+d x+\frac {\pi }{2}\right )\right )}dx}{a^2+b^2}-\frac {4 a^2 e^3 \left (\frac {1}{2} \left (a^2+2 a b-b^2\right ) \left (\frac {\arctan \left (\frac {\sqrt {2} \sqrt {e \cot (c+d x)}}{\sqrt {e}}+1\right )}{\sqrt {2} \sqrt {e}}-\frac {\arctan \left (1-\frac {\sqrt {2} \sqrt {e \cot (c+d x)}}{\sqrt {e}}\right )}{\sqrt {2} \sqrt {e}}\right )-\frac {1}{2} \left (a^2-2 a b-b^2\right ) \left (\frac {\log \left (e \cot (c+d x)+\sqrt {2} \sqrt {e} \sqrt {e \cot (c+d x)}+e\right )}{2 \sqrt {2} \sqrt {e}}-\frac {\log \left (e \cot (c+d x)-\sqrt {2} \sqrt {e} \sqrt {e \cot (c+d x)}+e\right )}{2 \sqrt {2} \sqrt {e}}\right )\right )}{d \left (a^2+b^2\right )}}{a e^3}}{2 a e \left (a^2+b^2\right )}-\frac {b^2}{a d e \left (a^2+b^2\right ) \sqrt {e \cot (c+d x)} (a+b \cot (c+d x))}\) |
\(\Big \downarrow \) 4117 |
\(\displaystyle \frac {\frac {2 \left (2 a^2+3 b^2\right )}{a d \sqrt {e \cot (c+d x)}}-\frac {\frac {b^3 e^3 \left (7 a^2+3 b^2\right ) \int \frac {1}{\sqrt {e \cot (c+d x)} (a+b \cot (c+d x))}d(-\cot (c+d x))}{d \left (a^2+b^2\right )}-\frac {4 a^2 e^3 \left (\frac {1}{2} \left (a^2+2 a b-b^2\right ) \left (\frac {\arctan \left (\frac {\sqrt {2} \sqrt {e \cot (c+d x)}}{\sqrt {e}}+1\right )}{\sqrt {2} \sqrt {e}}-\frac {\arctan \left (1-\frac {\sqrt {2} \sqrt {e \cot (c+d x)}}{\sqrt {e}}\right )}{\sqrt {2} \sqrt {e}}\right )-\frac {1}{2} \left (a^2-2 a b-b^2\right ) \left (\frac {\log \left (e \cot (c+d x)+\sqrt {2} \sqrt {e} \sqrt {e \cot (c+d x)}+e\right )}{2 \sqrt {2} \sqrt {e}}-\frac {\log \left (e \cot (c+d x)-\sqrt {2} \sqrt {e} \sqrt {e \cot (c+d x)}+e\right )}{2 \sqrt {2} \sqrt {e}}\right )\right )}{d \left (a^2+b^2\right )}}{a e^3}}{2 a e \left (a^2+b^2\right )}-\frac {b^2}{a d e \left (a^2+b^2\right ) \sqrt {e \cot (c+d x)} (a+b \cot (c+d x))}\) |
\(\Big \downarrow \) 73 |
\(\displaystyle \frac {\frac {2 \left (2 a^2+3 b^2\right )}{a d \sqrt {e \cot (c+d x)}}-\frac {-\frac {2 b^3 e^2 \left (7 a^2+3 b^2\right ) \int \frac {1}{\frac {b \cot ^2(c+d x)}{e}+a}d\sqrt {e \cot (c+d x)}}{d \left (a^2+b^2\right )}-\frac {4 a^2 e^3 \left (\frac {1}{2} \left (a^2+2 a b-b^2\right ) \left (\frac {\arctan \left (\frac {\sqrt {2} \sqrt {e \cot (c+d x)}}{\sqrt {e}}+1\right )}{\sqrt {2} \sqrt {e}}-\frac {\arctan \left (1-\frac {\sqrt {2} \sqrt {e \cot (c+d x)}}{\sqrt {e}}\right )}{\sqrt {2} \sqrt {e}}\right )-\frac {1}{2} \left (a^2-2 a b-b^2\right ) \left (\frac {\log \left (e \cot (c+d x)+\sqrt {2} \sqrt {e} \sqrt {e \cot (c+d x)}+e\right )}{2 \sqrt {2} \sqrt {e}}-\frac {\log \left (e \cot (c+d x)-\sqrt {2} \sqrt {e} \sqrt {e \cot (c+d x)}+e\right )}{2 \sqrt {2} \sqrt {e}}\right )\right )}{d \left (a^2+b^2\right )}}{a e^3}}{2 a e \left (a^2+b^2\right )}-\frac {b^2}{a d e \left (a^2+b^2\right ) \sqrt {e \cot (c+d x)} (a+b \cot (c+d x))}\) |
\(\Big \downarrow \) 218 |
\(\displaystyle \frac {\frac {2 \left (2 a^2+3 b^2\right )}{a d \sqrt {e \cot (c+d x)}}-\frac {\frac {2 b^{5/2} e^{5/2} \left (7 a^2+3 b^2\right ) \arctan \left (\frac {\sqrt {b} \cot (c+d x)}{\sqrt {a} \sqrt {e}}\right )}{\sqrt {a} d \left (a^2+b^2\right )}-\frac {4 a^2 e^3 \left (\frac {1}{2} \left (a^2+2 a b-b^2\right ) \left (\frac {\arctan \left (\frac {\sqrt {2} \sqrt {e \cot (c+d x)}}{\sqrt {e}}+1\right )}{\sqrt {2} \sqrt {e}}-\frac {\arctan \left (1-\frac {\sqrt {2} \sqrt {e \cot (c+d x)}}{\sqrt {e}}\right )}{\sqrt {2} \sqrt {e}}\right )-\frac {1}{2} \left (a^2-2 a b-b^2\right ) \left (\frac {\log \left (e \cot (c+d x)+\sqrt {2} \sqrt {e} \sqrt {e \cot (c+d x)}+e\right )}{2 \sqrt {2} \sqrt {e}}-\frac {\log \left (e \cot (c+d x)-\sqrt {2} \sqrt {e} \sqrt {e \cot (c+d x)}+e\right )}{2 \sqrt {2} \sqrt {e}}\right )\right )}{d \left (a^2+b^2\right )}}{a e^3}}{2 a e \left (a^2+b^2\right )}-\frac {b^2}{a d e \left (a^2+b^2\right ) \sqrt {e \cot (c+d x)} (a+b \cot (c+d x))}\) |
Input:
Int[1/((e*Cot[c + d*x])^(3/2)*(a + b*Cot[c + d*x])^2),x]
Output:
-(b^2/(a*(a^2 + b^2)*d*e*Sqrt[e*Cot[c + d*x]]*(a + b*Cot[c + d*x]))) + ((2 *(2*a^2 + 3*b^2))/(a*d*Sqrt[e*Cot[c + d*x]]) - ((2*b^(5/2)*(7*a^2 + 3*b^2) *e^(5/2)*ArcTan[(Sqrt[b]*Cot[c + d*x])/(Sqrt[a]*Sqrt[e])])/(Sqrt[a]*(a^2 + b^2)*d) - (4*a^2*e^3*(((a^2 + 2*a*b - b^2)*(-(ArcTan[1 - (Sqrt[2]*Sqrt[e* Cot[c + d*x]])/Sqrt[e]]/(Sqrt[2]*Sqrt[e])) + ArcTan[1 + (Sqrt[2]*Sqrt[e*Co t[c + d*x]])/Sqrt[e]]/(Sqrt[2]*Sqrt[e])))/2 - ((a^2 - 2*a*b - b^2)*(-1/2*L og[e + e*Cot[c + d*x] - Sqrt[2]*Sqrt[e]*Sqrt[e*Cot[c + d*x]]]/(Sqrt[2]*Sqr t[e]) + Log[e + e*Cot[c + d*x] + Sqrt[2]*Sqrt[e]*Sqrt[e*Cot[c + d*x]]]/(2* Sqrt[2]*Sqrt[e])))/2))/((a^2 + b^2)*d))/(a*e^3))/(2*a*(a^2 + b^2)*e)
Int[(a_)*(Fx_), x_Symbol] :> Simp[a Int[Fx, x], x] /; FreeQ[a, x] && !Ma tchQ[Fx, (b_)*(Gx_) /; FreeQ[b, x]]
Int[((a_.) + (b_.)*(x_))^(m_)*((c_.) + (d_.)*(x_))^(n_), x_Symbol] :> With[ {p = Denominator[m]}, Simp[p/b Subst[Int[x^(p*(m + 1) - 1)*(c - a*(d/b) + d*(x^p/b))^n, x], x, (a + b*x)^(1/p)], x]] /; FreeQ[{a, b, c, d}, x] && Lt Q[-1, m, 0] && LeQ[-1, n, 0] && LeQ[Denominator[n], Denominator[m]] && IntL inearQ[a, b, c, d, m, n, x]
Int[((a_) + (b_.)*(x_)^2)^(-1), x_Symbol] :> Simp[(-(Rt[-a, 2]*Rt[-b, 2])^( -1))*ArcTan[Rt[-b, 2]*(x/Rt[-a, 2])], x] /; FreeQ[{a, b}, x] && PosQ[a/b] & & (LtQ[a, 0] || LtQ[b, 0])
Int[((a_) + (b_.)*(x_)^2)^(-1), x_Symbol] :> Simp[(Rt[a/b, 2]/a)*ArcTan[x/R t[a/b, 2]], x] /; FreeQ[{a, b}, x] && PosQ[a/b]
Int[((a_) + (b_.)*(x_) + (c_.)*(x_)^2)^(-1), x_Symbol] :> With[{q = 1 - 4*S implify[a*(c/b^2)]}, Simp[-2/b Subst[Int[1/(q - x^2), x], x, 1 + 2*c*(x/b )], x] /; RationalQ[q] && (EqQ[q^2, 1] || !RationalQ[b^2 - 4*a*c])] /; Fre eQ[{a, b, c}, x]
Int[((d_) + (e_.)*(x_))/((a_.) + (b_.)*(x_) + (c_.)*(x_)^2), x_Symbol] :> S imp[d*(Log[RemoveContent[a + b*x + c*x^2, x]]/b), x] /; FreeQ[{a, b, c, d, e}, x] && EqQ[2*c*d - b*e, 0]
Int[((d_) + (e_.)*(x_)^2)/((a_) + (c_.)*(x_)^4), x_Symbol] :> With[{q = Rt[ 2*(d/e), 2]}, Simp[e/(2*c) Int[1/Simp[d/e + q*x + x^2, x], x], x] + Simp[ e/(2*c) Int[1/Simp[d/e - q*x + x^2, x], x], x]] /; FreeQ[{a, c, d, e}, x] && EqQ[c*d^2 - a*e^2, 0] && PosQ[d*e]
Int[((d_) + (e_.)*(x_)^2)/((a_) + (c_.)*(x_)^4), x_Symbol] :> With[{q = Rt[ -2*(d/e), 2]}, Simp[e/(2*c*q) Int[(q - 2*x)/Simp[d/e + q*x - x^2, x], x], x] + Simp[e/(2*c*q) Int[(q + 2*x)/Simp[d/e - q*x - x^2, x], x], x]] /; F reeQ[{a, c, d, e}, x] && EqQ[c*d^2 - a*e^2, 0] && NegQ[d*e]
Int[((d_) + (e_.)*(x_)^2)/((a_) + (c_.)*(x_)^4), x_Symbol] :> With[{q = Rt[ a*c, 2]}, Simp[(d*q + a*e)/(2*a*c) Int[(q + c*x^2)/(a + c*x^4), x], x] + Simp[(d*q - a*e)/(2*a*c) Int[(q - c*x^2)/(a + c*x^4), x], x]] /; FreeQ[{a , c, d, e}, x] && NeQ[c*d^2 + a*e^2, 0] && NeQ[c*d^2 - a*e^2, 0] && NegQ[(- a)*c]
Int[((c_) + (d_.)*tan[(e_.) + (f_.)*(x_)])/Sqrt[(b_.)*tan[(e_.) + (f_.)*(x_ )]], x_Symbol] :> Simp[2/f Subst[Int[(b*c + d*x^2)/(b^2 + x^4), x], x, Sq rt[b*Tan[e + f*x]]], x] /; FreeQ[{b, c, d, e, f}, x] && NeQ[c^2 - d^2, 0] & & NeQ[c^2 + d^2, 0]
Int[((a_.) + (b_.)*tan[(e_.) + (f_.)*(x_)])^(m_)*((c_.) + (d_.)*tan[(e_.) + (f_.)*(x_)])^(n_), x_Symbol] :> Simp[b^2*(a + b*Tan[e + f*x])^(m + 1)*((c + d*Tan[e + f*x])^(n + 1)/(f*(m + 1)*(a^2 + b^2)*(b*c - a*d))), x] + Simp[1 /((m + 1)*(a^2 + b^2)*(b*c - a*d)) Int[(a + b*Tan[e + f*x])^(m + 1)*(c + d*Tan[e + f*x])^n*Simp[a*(b*c - a*d)*(m + 1) - b^2*d*(m + n + 2) - b*(b*c - a*d)*(m + 1)*Tan[e + f*x] - b^2*d*(m + n + 2)*Tan[e + f*x]^2, x], x], x] / ; FreeQ[{a, b, c, d, e, f, n}, x] && NeQ[b*c - a*d, 0] && NeQ[a^2 + b^2, 0] && NeQ[c^2 + d^2, 0] && IntegerQ[2*m] && LtQ[m, -1] && (LtQ[n, 0] || Integ erQ[m]) && !(ILtQ[n, -1] && ( !IntegerQ[m] || (EqQ[c, 0] && NeQ[a, 0])))
Int[((a_.) + (b_.)*tan[(e_.) + (f_.)*(x_)])^(m_.)*((c_.) + (d_.)*tan[(e_.) + (f_.)*(x_)])^(n_.)*((A_) + (C_.)*tan[(e_.) + (f_.)*(x_)]^2), x_Symbol] :> Simp[A/f Subst[Int[(a + b*x)^m*(c + d*x)^n, x], x, Tan[e + f*x]], x] /; FreeQ[{a, b, c, d, e, f, A, C, m, n}, x] && EqQ[A, C]
Int[((a_.) + (b_.)*tan[(e_.) + (f_.)*(x_)])^(m_)*((c_.) + (d_.)*tan[(e_.) + (f_.)*(x_)])^(n_)*((A_.) + (B_.)*tan[(e_.) + (f_.)*(x_)] + (C_.)*tan[(e_.) + (f_.)*(x_)]^2), x_Symbol] :> Simp[(A*b^2 - a*(b*B - a*C))*(a + b*Tan[e + f*x])^(m + 1)*((c + d*Tan[e + f*x])^(n + 1)/(f*(m + 1)*(b*c - a*d)*(a^2 + b^2))), x] + Simp[1/((m + 1)*(b*c - a*d)*(a^2 + b^2)) Int[(a + b*Tan[e + f*x])^(m + 1)*(c + d*Tan[e + f*x])^n*Simp[A*(a*(b*c - a*d)*(m + 1) - b^2*d* (m + n + 2)) + (b*B - a*C)*(b*c*(m + 1) + a*d*(n + 1)) - (m + 1)*(b*c - a*d )*(A*b - a*B - b*C)*Tan[e + f*x] - d*(A*b^2 - a*(b*B - a*C))*(m + n + 2)*Ta n[e + f*x]^2, x], x], x] /; FreeQ[{a, b, c, d, e, f, A, B, C, n}, x] && NeQ [b*c - a*d, 0] && NeQ[a^2 + b^2, 0] && NeQ[c^2 + d^2, 0] && LtQ[m, -1] && !(ILtQ[n, -1] && ( !IntegerQ[m] || (EqQ[c, 0] && NeQ[a, 0])))
Int[(((c_.) + (d_.)*tan[(e_.) + (f_.)*(x_)])^(n_)*((A_.) + (B_.)*tan[(e_.) + (f_.)*(x_)] + (C_.)*tan[(e_.) + (f_.)*(x_)]^2))/((a_.) + (b_.)*tan[(e_.) + (f_.)*(x_)]), x_Symbol] :> Simp[1/(a^2 + b^2) Int[(c + d*Tan[e + f*x])^ n*Simp[b*B + a*(A - C) + (a*B - b*(A - C))*Tan[e + f*x], x], x], x] + Simp[ (A*b^2 - a*b*B + a^2*C)/(a^2 + b^2) Int[(c + d*Tan[e + f*x])^n*((1 + Tan[ e + f*x]^2)/(a + b*Tan[e + f*x])), x], x] /; FreeQ[{a, b, c, d, e, f, A, B, C, n}, x] && NeQ[b*c - a*d, 0] && NeQ[a^2 + b^2, 0] && NeQ[c^2 + d^2, 0] & & !GtQ[n, 0] && !LeQ[n, -1]
Time = 0.25 (sec) , antiderivative size = 414, normalized size of antiderivative = 1.15
method | result | size |
derivativedivides | \(-\frac {2 e^{3} \left (\frac {-\frac {a b \left (e^{2}\right )^{\frac {1}{4}} \sqrt {2}\, \left (\ln \left (\frac {e \cot \left (d x +c \right )+\left (e^{2}\right )^{\frac {1}{4}} \sqrt {e \cot \left (d x +c \right )}\, \sqrt {2}+\sqrt {e^{2}}}{e \cot \left (d x +c \right )-\left (e^{2}\right )^{\frac {1}{4}} \sqrt {e \cot \left (d x +c \right )}\, \sqrt {2}+\sqrt {e^{2}}}\right )+2 \arctan \left (\frac {\sqrt {2}\, \sqrt {e \cot \left (d x +c \right )}}{\left (e^{2}\right )^{\frac {1}{4}}}+1\right )-2 \arctan \left (-\frac {\sqrt {2}\, \sqrt {e \cot \left (d x +c \right )}}{\left (e^{2}\right )^{\frac {1}{4}}}+1\right )\right )}{4 e}+\frac {\left (-a^{2}+b^{2}\right ) \sqrt {2}\, \left (\ln \left (\frac {e \cot \left (d x +c \right )-\left (e^{2}\right )^{\frac {1}{4}} \sqrt {e \cot \left (d x +c \right )}\, \sqrt {2}+\sqrt {e^{2}}}{e \cot \left (d x +c \right )+\left (e^{2}\right )^{\frac {1}{4}} \sqrt {e \cot \left (d x +c \right )}\, \sqrt {2}+\sqrt {e^{2}}}\right )+2 \arctan \left (\frac {\sqrt {2}\, \sqrt {e \cot \left (d x +c \right )}}{\left (e^{2}\right )^{\frac {1}{4}}}+1\right )-2 \arctan \left (-\frac {\sqrt {2}\, \sqrt {e \cot \left (d x +c \right )}}{\left (e^{2}\right )^{\frac {1}{4}}}+1\right )\right )}{8 \left (e^{2}\right )^{\frac {1}{4}}}}{\left (a^{2}+b^{2}\right )^{2} e^{4}}-\frac {b^{3} \left (\frac {\left (\frac {a^{2}}{2}+\frac {b^{2}}{2}\right ) \sqrt {e \cot \left (d x +c \right )}}{e \cot \left (d x +c \right ) b +a e}+\frac {\left (7 a^{2}+3 b^{2}\right ) \arctan \left (\frac {b \sqrt {e \cot \left (d x +c \right )}}{\sqrt {a e b}}\right )}{2 \sqrt {a e b}}\right )}{e^{4} a^{2} \left (a^{2}+b^{2}\right )^{2}}-\frac {1}{e^{4} a^{2} \sqrt {e \cot \left (d x +c \right )}}\right )}{d}\) | \(414\) |
default | \(-\frac {2 e^{3} \left (\frac {-\frac {a b \left (e^{2}\right )^{\frac {1}{4}} \sqrt {2}\, \left (\ln \left (\frac {e \cot \left (d x +c \right )+\left (e^{2}\right )^{\frac {1}{4}} \sqrt {e \cot \left (d x +c \right )}\, \sqrt {2}+\sqrt {e^{2}}}{e \cot \left (d x +c \right )-\left (e^{2}\right )^{\frac {1}{4}} \sqrt {e \cot \left (d x +c \right )}\, \sqrt {2}+\sqrt {e^{2}}}\right )+2 \arctan \left (\frac {\sqrt {2}\, \sqrt {e \cot \left (d x +c \right )}}{\left (e^{2}\right )^{\frac {1}{4}}}+1\right )-2 \arctan \left (-\frac {\sqrt {2}\, \sqrt {e \cot \left (d x +c \right )}}{\left (e^{2}\right )^{\frac {1}{4}}}+1\right )\right )}{4 e}+\frac {\left (-a^{2}+b^{2}\right ) \sqrt {2}\, \left (\ln \left (\frac {e \cot \left (d x +c \right )-\left (e^{2}\right )^{\frac {1}{4}} \sqrt {e \cot \left (d x +c \right )}\, \sqrt {2}+\sqrt {e^{2}}}{e \cot \left (d x +c \right )+\left (e^{2}\right )^{\frac {1}{4}} \sqrt {e \cot \left (d x +c \right )}\, \sqrt {2}+\sqrt {e^{2}}}\right )+2 \arctan \left (\frac {\sqrt {2}\, \sqrt {e \cot \left (d x +c \right )}}{\left (e^{2}\right )^{\frac {1}{4}}}+1\right )-2 \arctan \left (-\frac {\sqrt {2}\, \sqrt {e \cot \left (d x +c \right )}}{\left (e^{2}\right )^{\frac {1}{4}}}+1\right )\right )}{8 \left (e^{2}\right )^{\frac {1}{4}}}}{\left (a^{2}+b^{2}\right )^{2} e^{4}}-\frac {b^{3} \left (\frac {\left (\frac {a^{2}}{2}+\frac {b^{2}}{2}\right ) \sqrt {e \cot \left (d x +c \right )}}{e \cot \left (d x +c \right ) b +a e}+\frac {\left (7 a^{2}+3 b^{2}\right ) \arctan \left (\frac {b \sqrt {e \cot \left (d x +c \right )}}{\sqrt {a e b}}\right )}{2 \sqrt {a e b}}\right )}{e^{4} a^{2} \left (a^{2}+b^{2}\right )^{2}}-\frac {1}{e^{4} a^{2} \sqrt {e \cot \left (d x +c \right )}}\right )}{d}\) | \(414\) |
Input:
int(1/(e*cot(d*x+c))^(3/2)/(a+b*cot(d*x+c))^2,x,method=_RETURNVERBOSE)
Output:
-2/d*e^3*(1/(a^2+b^2)^2/e^4*(-1/4*a/e*b*(e^2)^(1/4)*2^(1/2)*(ln((e*cot(d*x +c)+(e^2)^(1/4)*(e*cot(d*x+c))^(1/2)*2^(1/2)+(e^2)^(1/2))/(e*cot(d*x+c)-(e ^2)^(1/4)*(e*cot(d*x+c))^(1/2)*2^(1/2)+(e^2)^(1/2)))+2*arctan(2^(1/2)/(e^2 )^(1/4)*(e*cot(d*x+c))^(1/2)+1)-2*arctan(-2^(1/2)/(e^2)^(1/4)*(e*cot(d*x+c ))^(1/2)+1))+1/8*(-a^2+b^2)/(e^2)^(1/4)*2^(1/2)*(ln((e*cot(d*x+c)-(e^2)^(1 /4)*(e*cot(d*x+c))^(1/2)*2^(1/2)+(e^2)^(1/2))/(e*cot(d*x+c)+(e^2)^(1/4)*(e *cot(d*x+c))^(1/2)*2^(1/2)+(e^2)^(1/2)))+2*arctan(2^(1/2)/(e^2)^(1/4)*(e*c ot(d*x+c))^(1/2)+1)-2*arctan(-2^(1/2)/(e^2)^(1/4)*(e*cot(d*x+c))^(1/2)+1)) )-b^3/e^4/a^2/(a^2+b^2)^2*((1/2*a^2+1/2*b^2)*(e*cot(d*x+c))^(1/2)/(e*cot(d *x+c)*b+a*e)+1/2*(7*a^2+3*b^2)/(a*e*b)^(1/2)*arctan(b*(e*cot(d*x+c))^(1/2) /(a*e*b)^(1/2)))-1/e^4/a^2/(e*cot(d*x+c))^(1/2))
Leaf count of result is larger than twice the leaf count of optimal. 3214 vs. \(2 (311) = 622\).
Time = 0.55 (sec) , antiderivative size = 6494, normalized size of antiderivative = 18.04 \[ \int \frac {1}{(e \cot (c+d x))^{3/2} (a+b \cot (c+d x))^2} \, dx=\text {Too large to display} \] Input:
integrate(1/(e*cot(d*x+c))^(3/2)/(a+b*cot(d*x+c))^2,x, algorithm="fricas")
Output:
Too large to include
\[ \int \frac {1}{(e \cot (c+d x))^{3/2} (a+b \cot (c+d x))^2} \, dx=\int \frac {1}{\left (e \cot {\left (c + d x \right )}\right )^{\frac {3}{2}} \left (a + b \cot {\left (c + d x \right )}\right )^{2}}\, dx \] Input:
integrate(1/(e*cot(d*x+c))**(3/2)/(a+b*cot(d*x+c))**2,x)
Output:
Integral(1/((e*cot(c + d*x))**(3/2)*(a + b*cot(c + d*x))**2), x)
Exception generated. \[ \int \frac {1}{(e \cot (c+d x))^{3/2} (a+b \cot (c+d x))^2} \, dx=\text {Exception raised: ValueError} \] Input:
integrate(1/(e*cot(d*x+c))^(3/2)/(a+b*cot(d*x+c))^2,x, algorithm="maxima")
Output:
Exception raised: ValueError >> Computation failed since Maxima requested additional constraints; using the 'assume' command before evaluation *may* help (example of legal syntax is 'assume(e>0)', see `assume?` for more de tails)Is e
Timed out. \[ \int \frac {1}{(e \cot (c+d x))^{3/2} (a+b \cot (c+d x))^2} \, dx=\text {Timed out} \] Input:
integrate(1/(e*cot(d*x+c))^(3/2)/(a+b*cot(d*x+c))^2,x, algorithm="giac")
Output:
Timed out
Time = 12.82 (sec) , antiderivative size = 15251, normalized size of antiderivative = 42.36 \[ \int \frac {1}{(e \cot (c+d x))^{3/2} (a+b \cot (c+d x))^2} \, dx=\text {Too large to display} \] Input:
int(1/((e*cot(c + d*x))^(3/2)*(a + b*cot(c + d*x))^2),x)
Output:
(2/a + (b*cot(c + d*x)*(2*a^2 + 3*b^2))/(a^2*(a^2 + b^2)))/(b*d*(e*cot(c + d*x))^(3/2) + a*d*e*(e*cot(c + d*x))^(1/2)) - atan((((e*cot(c + d*x))^(1/ 2)*(144*a^14*b^23*d^5*e^13 + 1248*a^16*b^21*d^5*e^13 + 4224*a^18*b^19*d^5* e^13 + 6720*a^20*b^17*d^5*e^13 + 3872*a^22*b^15*d^5*e^13 - 2816*a^24*b^13* d^5*e^13 - 5632*a^26*b^11*d^5*e^13 - 3136*a^28*b^9*d^5*e^13 - 560*a^30*b^7 *d^5*e^13 + 32*a^32*b^5*d^5*e^13) + (1i/(4*(a^4*d^2*e^3 + b^4*d^2*e^3 + a* b^3*d^2*e^3*4i - a^3*b*d^2*e^3*4i - 6*a^2*b^2*d^2*e^3)))^(1/2)*(26496*a^25 *b^14*d^6*e^15 - 1152*a^15*b^24*d^6*e^15 - 8448*a^17*b^22*d^6*e^15 - 23776 *a^19*b^20*d^6*e^15 - 29664*a^21*b^18*d^6*e^15 - 6528*a^23*b^16*d^6*e^15 - ((e*cot(c + d*x))^(1/2)*(1152*a^15*b^26*d^7*e^16 + 13440*a^17*b^24*d^7*e^ 16 + 69056*a^19*b^22*d^7*e^16 + 202752*a^21*b^20*d^7*e^16 + 372800*a^23*b^ 18*d^7*e^16 + 443136*a^25*b^16*d^7*e^16 + 337792*a^27*b^14*d^7*e^16 + 1561 60*a^29*b^12*d^7*e^16 + 37632*a^31*b^10*d^7*e^16 + 3200*a^33*b^8*d^7*e^16 + 704*a^35*b^6*d^7*e^16 + 512*a^37*b^4*d^7*e^16 + 64*a^39*b^2*d^7*e^16) + (1i/(4*(a^4*d^2*e^3 + b^4*d^2*e^3 + a*b^3*d^2*e^3*4i - a^3*b*d^2*e^3*4i - 6*a^2*b^2*d^2*e^3)))^(1/2)*(768*a^16*b^27*d^8*e^18 - (e*cot(c + d*x))^(1/2 )*(1i/(4*(a^4*d^2*e^3 + b^4*d^2*e^3 + a*b^3*d^2*e^3*4i - a^3*b*d^2*e^3*4i - 6*a^2*b^2*d^2*e^3)))^(1/2)*(512*a^18*b^27*d^9*e^19 + 5120*a^20*b^25*d^9* e^19 + 22528*a^22*b^23*d^9*e^19 + 56320*a^24*b^21*d^9*e^19 + 84480*a^26*b^ 19*d^9*e^19 + 67584*a^28*b^17*d^9*e^19 - 67584*a^32*b^13*d^9*e^19 - 844...
\[ \int \frac {1}{(e \cot (c+d x))^{3/2} (a+b \cot (c+d x))^2} \, dx=\frac {\sqrt {e}\, \left (\int \frac {\sqrt {\cot \left (d x +c \right )}}{\cot \left (d x +c \right )^{4} b^{2}+2 \cot \left (d x +c \right )^{3} a b +\cot \left (d x +c \right )^{2} a^{2}}d x \right )}{e^{2}} \] Input:
int(1/(e*cot(d*x+c))^(3/2)/(a+b*cot(d*x+c))^2,x)
Output:
(sqrt(e)*int(sqrt(cot(c + d*x))/(cot(c + d*x)**4*b**2 + 2*cot(c + d*x)**3* a*b + cot(c + d*x)**2*a**2),x))/e**2