Optimal. Leaf size=94 \[ -\frac {(2 a+b) \cot (x)}{3 a (a-b)^2 \sqrt {a+b \cot ^2(x)}}-\frac {\cot (x)}{3 (a-b) \left (a+b \cot ^2(x)\right )^{3/2}}+\frac {\tan ^{-1}\left (\frac {\sqrt {a-b} \cot (x)}{\sqrt {a+b \cot ^2(x)}}\right )}{(a-b)^{5/2}} \]
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Rubi [A] time = 0.12, antiderivative size = 94, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 6, integrand size = 17, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.353, Rules used = {3670, 471, 527, 12, 377, 203} \[ -\frac {(2 a+b) \cot (x)}{3 a (a-b)^2 \sqrt {a+b \cot ^2(x)}}-\frac {\cot (x)}{3 (a-b) \left (a+b \cot ^2(x)\right )^{3/2}}+\frac {\tan ^{-1}\left (\frac {\sqrt {a-b} \cot (x)}{\sqrt {a+b \cot ^2(x)}}\right )}{(a-b)^{5/2}} \]
Antiderivative was successfully verified.
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Rule 12
Rule 203
Rule 377
Rule 471
Rule 527
Rule 3670
Rubi steps
\begin {align*} \int \frac {\cot ^2(x)}{\left (a+b \cot ^2(x)\right )^{5/2}} \, dx &=-\operatorname {Subst}\left (\int \frac {x^2}{\left (1+x^2\right ) \left (a+b x^2\right )^{5/2}} \, dx,x,\cot (x)\right )\\ &=-\frac {\cot (x)}{3 (a-b) \left (a+b \cot ^2(x)\right )^{3/2}}+\frac {\operatorname {Subst}\left (\int \frac {1-2 x^2}{\left (1+x^2\right ) \left (a+b x^2\right )^{3/2}} \, dx,x,\cot (x)\right )}{3 (a-b)}\\ &=-\frac {\cot (x)}{3 (a-b) \left (a+b \cot ^2(x)\right )^{3/2}}-\frac {(2 a+b) \cot (x)}{3 a (a-b)^2 \sqrt {a+b \cot ^2(x)}}+\frac {\operatorname {Subst}\left (\int \frac {3 a}{\left (1+x^2\right ) \sqrt {a+b x^2}} \, dx,x,\cot (x)\right )}{3 a (a-b)^2}\\ &=-\frac {\cot (x)}{3 (a-b) \left (a+b \cot ^2(x)\right )^{3/2}}-\frac {(2 a+b) \cot (x)}{3 a (a-b)^2 \sqrt {a+b \cot ^2(x)}}+\frac {\operatorname {Subst}\left (\int \frac {1}{\left (1+x^2\right ) \sqrt {a+b x^2}} \, dx,x,\cot (x)\right )}{(a-b)^2}\\ &=-\frac {\cot (x)}{3 (a-b) \left (a+b \cot ^2(x)\right )^{3/2}}-\frac {(2 a+b) \cot (x)}{3 a (a-b)^2 \sqrt {a+b \cot ^2(x)}}+\frac {\operatorname {Subst}\left (\int \frac {1}{1-(-a+b) x^2} \, dx,x,\frac {\cot (x)}{\sqrt {a+b \cot ^2(x)}}\right )}{(a-b)^2}\\ &=\frac {\tan ^{-1}\left (\frac {\sqrt {a-b} \cot (x)}{\sqrt {a+b \cot ^2(x)}}\right )}{(a-b)^{5/2}}-\frac {\cot (x)}{3 (a-b) \left (a+b \cot ^2(x)\right )^{3/2}}-\frac {(2 a+b) \cot (x)}{3 a (a-b)^2 \sqrt {a+b \cot ^2(x)}}\\ \end {align*}
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Mathematica [C] time = 6.51, size = 200, normalized size = 2.13 \[ \frac {\tan (x) \left (-\frac {35 a \sin ^2(x) \left (5 a+2 b \cot ^2(x)\right ) \left (a \csc ^2(x) \left ((a-4 b) \cot ^2(x)-3 a\right ) \sqrt {\frac {(a-b) \sin ^2(x) \cos ^2(x) \left (a+b \cot ^2(x)\right )}{a^2}}+3 \left (a+b \cot ^2(x)\right )^2 \sin ^{-1}\left (\sqrt {\frac {(a-b) \cos ^2(x)}{a}}\right )\right )}{\sqrt {\frac {(a-b) \sin ^2(x) \cos ^2(x) \left (a+b \cot ^2(x)\right )}{a^2}}}-12 (a-b)^3 \cos ^4(x) \cot ^2(x) \left (a+b \cot ^2(x)\right ) \, _2F_1\left (2,2;\frac {9}{2};\frac {(a-b) \cos ^2(x)}{a}\right )\right )}{315 a^3 (a-b)^2 \left (a+b \cot ^2(x)\right )^{3/2}} \]
Warning: Unable to verify antiderivative.
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fricas [B] time = 1.35, size = 720, normalized size = 7.66 \[ \left [-\frac {3 \, {\left (a^{3} + 2 \, a^{2} b + a b^{2} + {\left (a^{3} - 2 \, a^{2} b + a b^{2}\right )} \cos \left (2 \, x\right )^{2} - 2 \, {\left (a^{3} - a b^{2}\right )} \cos \left (2 \, x\right )\right )} \sqrt {-a + b} \log \left (-2 \, {\left (a^{2} - 2 \, a b + b^{2}\right )} \cos \left (2 \, x\right )^{2} + 2 \, {\left ({\left (a - b\right )} \cos \left (2 \, x\right ) - b\right )} \sqrt {-a + b} \sqrt {\frac {{\left (a - b\right )} \cos \left (2 \, x\right ) - a - b}{\cos \left (2 \, x\right ) - 1}} \sin \left (2 \, x\right ) + a^{2} - 2 \, b^{2} + 4 \, {\left (a b - b^{2}\right )} \cos \left (2 \, x\right )\right ) + 4 \, {\left (3 \, a^{3} - a^{2} b - a b^{2} - b^{3} - {\left (3 \, a^{3} - 5 \, a^{2} b + a b^{2} + b^{3}\right )} \cos \left (2 \, x\right )\right )} \sqrt {\frac {{\left (a - b\right )} \cos \left (2 \, x\right ) - a - b}{\cos \left (2 \, x\right ) - 1}} \sin \left (2 \, x\right )}{12 \, {\left (a^{6} - a^{5} b - 2 \, a^{4} b^{2} + 2 \, a^{3} b^{3} + a^{2} b^{4} - a b^{5} + {\left (a^{6} - 5 \, a^{5} b + 10 \, a^{4} b^{2} - 10 \, a^{3} b^{3} + 5 \, a^{2} b^{4} - a b^{5}\right )} \cos \left (2 \, x\right )^{2} - 2 \, {\left (a^{6} - 3 \, a^{5} b + 2 \, a^{4} b^{2} + 2 \, a^{3} b^{3} - 3 \, a^{2} b^{4} + a b^{5}\right )} \cos \left (2 \, x\right )\right )}}, \frac {3 \, {\left (a^{3} + 2 \, a^{2} b + a b^{2} + {\left (a^{3} - 2 \, a^{2} b + a b^{2}\right )} \cos \left (2 \, x\right )^{2} - 2 \, {\left (a^{3} - a b^{2}\right )} \cos \left (2 \, x\right )\right )} \sqrt {a - b} \arctan \left (-\frac {\sqrt {a - b} \sqrt {\frac {{\left (a - b\right )} \cos \left (2 \, x\right ) - a - b}{\cos \left (2 \, x\right ) - 1}} \sin \left (2 \, x\right )}{{\left (a - b\right )} \cos \left (2 \, x\right ) - b}\right ) - 2 \, {\left (3 \, a^{3} - a^{2} b - a b^{2} - b^{3} - {\left (3 \, a^{3} - 5 \, a^{2} b + a b^{2} + b^{3}\right )} \cos \left (2 \, x\right )\right )} \sqrt {\frac {{\left (a - b\right )} \cos \left (2 \, x\right ) - a - b}{\cos \left (2 \, x\right ) - 1}} \sin \left (2 \, x\right )}{6 \, {\left (a^{6} - a^{5} b - 2 \, a^{4} b^{2} + 2 \, a^{3} b^{3} + a^{2} b^{4} - a b^{5} + {\left (a^{6} - 5 \, a^{5} b + 10 \, a^{4} b^{2} - 10 \, a^{3} b^{3} + 5 \, a^{2} b^{4} - a b^{5}\right )} \cos \left (2 \, x\right )^{2} - 2 \, {\left (a^{6} - 3 \, a^{5} b + 2 \, a^{4} b^{2} + 2 \, a^{3} b^{3} - 3 \, a^{2} b^{4} + a b^{5}\right )} \cos \left (2 \, x\right )\right )}}\right ] \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [B] time = 2.40, size = 1025, normalized size = 10.90 \[ \text {result too large to display} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [B] time = 0.20, size = 166, normalized size = 1.77 \[ -\frac {\cot \relax (x )}{3 a \left (a +b \left (\cot ^{2}\relax (x )\right )\right )^{\frac {3}{2}}}-\frac {2 \cot \relax (x )}{3 a^{2} \sqrt {a +b \left (\cot ^{2}\relax (x )\right )}}-\frac {b \cot \relax (x )}{\left (a -b \right )^{2} a \sqrt {a +b \left (\cot ^{2}\relax (x )\right )}}-\frac {b \cot \relax (x )}{3 \left (a -b \right ) a \left (a +b \left (\cot ^{2}\relax (x )\right )\right )^{\frac {3}{2}}}-\frac {2 b \cot \relax (x )}{3 \left (a -b \right ) a^{2} \sqrt {a +b \left (\cot ^{2}\relax (x )\right )}}+\frac {\sqrt {b^{4} \left (a -b \right )}\, \arctan \left (\frac {\left (a -b \right ) b^{2} \cot \relax (x )}{\sqrt {b^{4} \left (a -b \right )}\, \sqrt {a +b \left (\cot ^{2}\relax (x )\right )}}\right )}{\left (a -b \right )^{3} b^{2}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [F(-2)] time = 0.00, size = 0, normalized size = 0.00 \[ \text {Exception raised: ValueError} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [F] time = 0.00, size = -1, normalized size = -0.01 \[ \int \frac {{\mathrm {cot}\relax (x)}^2}{{\left (b\,{\mathrm {cot}\relax (x)}^2+a\right )}^{5/2}} \,d x \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {\cot ^{2}{\relax (x )}}{\left (a + b \cot ^{2}{\relax (x )}\right )^{\frac {5}{2}}}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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