Integrand size = 42, antiderivative size = 34 \[ \int \frac {a^2 e+6 a b e x^2+5 b^2 e x^4}{c+d x^2 \left (a+b x^2\right )^4} \, dx=\frac {e \arctan \left (\frac {\sqrt {d} x \left (a+b x^2\right )^2}{\sqrt {c}}\right )}{\sqrt {c} \sqrt {d}} \] Output:
e*arctan(d^(1/2)*x*(b*x^2+a)^2/c^(1/2))/c^(1/2)/d^(1/2)
Time = 0.03 (sec) , antiderivative size = 34, normalized size of antiderivative = 1.00 \[ \int \frac {a^2 e+6 a b e x^2+5 b^2 e x^4}{c+d x^2 \left (a+b x^2\right )^4} \, dx=\frac {e \arctan \left (\frac {\sqrt {d} x \left (a+b x^2\right )^2}{\sqrt {c}}\right )}{\sqrt {c} \sqrt {d}} \] Input:
Integrate[(a^2*e + 6*a*b*e*x^2 + 5*b^2*e*x^4)/(c + d*x^2*(a + b*x^2)^4),x]
Output:
(e*ArcTan[(Sqrt[d]*x*(a + b*x^2)^2)/Sqrt[c]])/(Sqrt[c]*Sqrt[d])
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.
\(\displaystyle \int \frac {a^2 e+6 a b e x^2+5 b^2 e x^4}{d x^2 \left (a+b x^2\right )^4+c} \, dx\) |
\(\Big \downarrow \) 7293 |
\(\displaystyle \int \left (\frac {5 b^2 e x^4}{a^4 d x^2+4 a^3 b d x^4+6 a^2 b^2 d x^6+4 a b^3 d x^8+b^4 d x^{10}+c}+\frac {6 a b e x^2}{a^4 d x^2+4 a^3 b d x^4+6 a^2 b^2 d x^6+4 a b^3 d x^8+b^4 d x^{10}+c}+\frac {a^2 e}{a^4 d x^2+4 a^3 b d x^4+6 a^2 b^2 d x^6+4 a b^3 d x^8+b^4 d x^{10}+c}\right )dx\) |
\(\Big \downarrow \) 2009 |
\(\displaystyle a^2 e \int \frac {1}{d x^2 \left (b x^2+a\right )^4+c}dx+5 b^2 e \int \frac {x^4}{d x^2 \left (b x^2+a\right )^4+c}dx+6 a b e \int \frac {x^2}{d x^2 \left (b x^2+a\right )^4+c}dx\) |
Input:
Int[(a^2*e + 6*a*b*e*x^2 + 5*b^2*e*x^4)/(c + d*x^2*(a + b*x^2)^4),x]
Output:
$Aborted
Leaf count of result is larger than twice the leaf count of optimal. \(108\) vs. \(2(26)=52\).
Time = 0.07 (sec) , antiderivative size = 109, normalized size of antiderivative = 3.21
method | result | size |
risch | \(-\frac {e \ln \left (\left (-c d \right )^{\frac {3}{2}} b^{2} x^{5}+2 \left (-c d \right )^{\frac {3}{2}} a b \,x^{3}+\left (-c d \right )^{\frac {3}{2}} a^{2} x +c^{2} d \right )}{2 \sqrt {-c d}}+\frac {e \ln \left (\left (-c d \right )^{\frac {3}{2}} b^{2} x^{5}+2 \left (-c d \right )^{\frac {3}{2}} a b \,x^{3}+\left (-c d \right )^{\frac {3}{2}} a^{2} x -c^{2} d \right )}{2 \sqrt {-c d}}\) | \(109\) |
default | \(\frac {e \left (\munderset {\textit {\_R} =\operatorname {RootOf}\left (b^{4} d \,\textit {\_Z}^{10}+4 d a \,b^{3} \textit {\_Z}^{8}+6 a^{2} d \,b^{2} \textit {\_Z}^{6}+4 a^{3} d b \,\textit {\_Z}^{4}+a^{4} d \,\textit {\_Z}^{2}+c \right )}{\sum }\frac {\left (5 \textit {\_R}^{4} b^{2}+6 \textit {\_R}^{2} a b +a^{2}\right ) \ln \left (x -\textit {\_R} \right )}{5 b^{4} \textit {\_R}^{9}+16 a \,b^{3} \textit {\_R}^{7}+18 a^{2} b^{2} \textit {\_R}^{5}+8 a^{3} b \,\textit {\_R}^{3}+a^{4} \textit {\_R}}\right )}{2 d}\) | \(132\) |
Input:
int((5*b^2*e*x^4+6*a*b*e*x^2+a^2*e)/(c+d*x^2*(b*x^2+a)^4),x,method=_RETURN VERBOSE)
Output:
-1/2/(-c*d)^(1/2)*e*ln((-c*d)^(3/2)*b^2*x^5+2*(-c*d)^(3/2)*a*b*x^3+(-c*d)^ (3/2)*a^2*x+c^2*d)+1/2/(-c*d)^(1/2)*e*ln((-c*d)^(3/2)*b^2*x^5+2*(-c*d)^(3/ 2)*a*b*x^3+(-c*d)^(3/2)*a^2*x-c^2*d)
Time = 0.15 (sec) , antiderivative size = 193, normalized size of antiderivative = 5.68 \[ \int \frac {a^2 e+6 a b e x^2+5 b^2 e x^4}{c+d x^2 \left (a+b x^2\right )^4} \, dx=\left [-\frac {\sqrt {-c d} e \log \left (\frac {b^{4} d x^{10} + 4 \, a b^{3} d x^{8} + 6 \, a^{2} b^{2} d x^{6} + 4 \, a^{3} b d x^{4} + a^{4} d x^{2} - 2 \, {\left (b^{2} x^{5} + 2 \, a b x^{3} + a^{2} x\right )} \sqrt {-c d} - c}{b^{4} d x^{10} + 4 \, a b^{3} d x^{8} + 6 \, a^{2} b^{2} d x^{6} + 4 \, a^{3} b d x^{4} + a^{4} d x^{2} + c}\right )}{2 \, c d}, \frac {\sqrt {c d} e \arctan \left (\frac {{\left (b^{2} x^{5} + 2 \, a b x^{3} + a^{2} x\right )} \sqrt {c d}}{c}\right )}{c d}\right ] \] Input:
integrate((5*b^2*e*x^4+6*a*b*e*x^2+a^2*e)/(c+d*x^2*(b*x^2+a)^4),x, algorit hm="fricas")
Output:
[-1/2*sqrt(-c*d)*e*log((b^4*d*x^10 + 4*a*b^3*d*x^8 + 6*a^2*b^2*d*x^6 + 4*a ^3*b*d*x^4 + a^4*d*x^2 - 2*(b^2*x^5 + 2*a*b*x^3 + a^2*x)*sqrt(-c*d) - c)/( b^4*d*x^10 + 4*a*b^3*d*x^8 + 6*a^2*b^2*d*x^6 + 4*a^3*b*d*x^4 + a^4*d*x^2 + c))/(c*d), sqrt(c*d)*e*arctan((b^2*x^5 + 2*a*b*x^3 + a^2*x)*sqrt(c*d)/c)/ (c*d)]
Leaf count of result is larger than twice the leaf count of optimal. 99 vs. \(2 (32) = 64\).
Time = 0.63 (sec) , antiderivative size = 99, normalized size of antiderivative = 2.91 \[ \int \frac {a^2 e+6 a b e x^2+5 b^2 e x^4}{c+d x^2 \left (a+b x^2\right )^4} \, dx=e \left (- \frac {\sqrt {- \frac {1}{c d}} \log {\left (\frac {a^{2} x}{b^{2}} + \frac {2 a x^{3}}{b} + x^{5} - \frac {c \sqrt {- \frac {1}{c d}}}{b^{2}} \right )}}{2} + \frac {\sqrt {- \frac {1}{c d}} \log {\left (\frac {a^{2} x}{b^{2}} + \frac {2 a x^{3}}{b} + x^{5} + \frac {c \sqrt {- \frac {1}{c d}}}{b^{2}} \right )}}{2}\right ) \] Input:
integrate((5*b**2*e*x**4+6*a*b*e*x**2+a**2*e)/(c+d*x**2*(b*x**2+a)**4),x)
Output:
e*(-sqrt(-1/(c*d))*log(a**2*x/b**2 + 2*a*x**3/b + x**5 - c*sqrt(-1/(c*d))/ b**2)/2 + sqrt(-1/(c*d))*log(a**2*x/b**2 + 2*a*x**3/b + x**5 + c*sqrt(-1/( c*d))/b**2)/2)
\[ \int \frac {a^2 e+6 a b e x^2+5 b^2 e x^4}{c+d x^2 \left (a+b x^2\right )^4} \, dx=\int { \frac {5 \, b^{2} e x^{4} + 6 \, a b e x^{2} + a^{2} e}{{\left (b x^{2} + a\right )}^{4} d x^{2} + c} \,d x } \] Input:
integrate((5*b^2*e*x^4+6*a*b*e*x^2+a^2*e)/(c+d*x^2*(b*x^2+a)^4),x, algorit hm="maxima")
Output:
integrate((5*b^2*e*x^4 + 6*a*b*e*x^2 + a^2*e)/((b*x^2 + a)^4*d*x^2 + c), x )
Timed out. \[ \int \frac {a^2 e+6 a b e x^2+5 b^2 e x^4}{c+d x^2 \left (a+b x^2\right )^4} \, dx=\text {Timed out} \] Input:
integrate((5*b^2*e*x^4+6*a*b*e*x^2+a^2*e)/(c+d*x^2*(b*x^2+a)^4),x, algorit hm="giac")
Output:
Timed out
Time = 0.08 (sec) , antiderivative size = 42, normalized size of antiderivative = 1.24 \[ \int \frac {a^2 e+6 a b e x^2+5 b^2 e x^4}{c+d x^2 \left (a+b x^2\right )^4} \, dx=\frac {e\,\mathrm {atan}\left (\frac {a^2\,\sqrt {d}\,x+b^2\,\sqrt {d}\,x^5+2\,a\,b\,\sqrt {d}\,x^3}{\sqrt {c}}\right )}{\sqrt {c}\,\sqrt {d}} \] Input:
int((a^2*e + 5*b^2*e*x^4 + 6*a*b*e*x^2)/(c + d*x^2*(a + b*x^2)^4),x)
Output:
(e*atan((a^2*d^(1/2)*x + b^2*d^(1/2)*x^5 + 2*a*b*d^(1/2)*x^3)/c^(1/2)))/(c ^(1/2)*d^(1/2))
\[ \int \frac {a^2 e+6 a b e x^2+5 b^2 e x^4}{c+d x^2 \left (a+b x^2\right )^4} \, dx=e \left (5 \left (\int \frac {x^{4}}{b^{4} d \,x^{10}+4 a \,b^{3} d \,x^{8}+6 a^{2} b^{2} d \,x^{6}+4 a^{3} b d \,x^{4}+a^{4} d \,x^{2}+c}d x \right ) b^{2}+6 \left (\int \frac {x^{2}}{b^{4} d \,x^{10}+4 a \,b^{3} d \,x^{8}+6 a^{2} b^{2} d \,x^{6}+4 a^{3} b d \,x^{4}+a^{4} d \,x^{2}+c}d x \right ) a b +\left (\int \frac {1}{b^{4} d \,x^{10}+4 a \,b^{3} d \,x^{8}+6 a^{2} b^{2} d \,x^{6}+4 a^{3} b d \,x^{4}+a^{4} d \,x^{2}+c}d x \right ) a^{2}\right ) \] Input:
int((5*b^2*e*x^4+6*a*b*e*x^2+a^2*e)/(c+d*x^2*(b*x^2+a)^4),x)
Output:
e*(5*int(x**4/(a**4*d*x**2 + 4*a**3*b*d*x**4 + 6*a**2*b**2*d*x**6 + 4*a*b* *3*d*x**8 + b**4*d*x**10 + c),x)*b**2 + 6*int(x**2/(a**4*d*x**2 + 4*a**3*b *d*x**4 + 6*a**2*b**2*d*x**6 + 4*a*b**3*d*x**8 + b**4*d*x**10 + c),x)*a*b + int(1/(a**4*d*x**2 + 4*a**3*b*d*x**4 + 6*a**2*b**2*d*x**6 + 4*a*b**3*d*x **8 + b**4*d*x**10 + c),x)*a**2)