Integrand size = 18, antiderivative size = 1092 \[ \int \frac {x^5}{\left (a+b \sec \left (c+d x^2\right )\right )^2} \, dx=-\frac {i b^2 x^4}{2 a^2 \left (a^2-b^2\right ) d}+\frac {x^6}{6 a^2}+\frac {b^2 x^2 \log \left (1+\frac {a e^{i \left (c+d x^2\right )}}{b-i \sqrt {a^2-b^2}}\right )}{a^2 \left (a^2-b^2\right ) d^2}+\frac {b^2 x^2 \log \left (1+\frac {a e^{i \left (c+d x^2\right )}}{b+i \sqrt {a^2-b^2}}\right )}{a^2 \left (a^2-b^2\right ) d^2}-\frac {i b^3 x^4 \log \left (1+\frac {a e^{i \left (c+d x^2\right )}}{b-\sqrt {-a^2+b^2}}\right )}{2 a^2 \left (-a^2+b^2\right )^{3/2} d}+\frac {i b x^4 \log \left (1+\frac {a e^{i \left (c+d x^2\right )}}{b-\sqrt {-a^2+b^2}}\right )}{a^2 \sqrt {-a^2+b^2} d}+\frac {i b^3 x^4 \log \left (1+\frac {a e^{i \left (c+d x^2\right )}}{b+\sqrt {-a^2+b^2}}\right )}{2 a^2 \left (-a^2+b^2\right )^{3/2} d}-\frac {i b x^4 \log \left (1+\frac {a e^{i \left (c+d x^2\right )}}{b+\sqrt {-a^2+b^2}}\right )}{a^2 \sqrt {-a^2+b^2} d}-\frac {i b^2 \operatorname {PolyLog}\left (2,-\frac {a e^{i \left (c+d x^2\right )}}{b-i \sqrt {a^2-b^2}}\right )}{a^2 \left (a^2-b^2\right ) d^3}-\frac {i b^2 \operatorname {PolyLog}\left (2,-\frac {a e^{i \left (c+d x^2\right )}}{b+i \sqrt {a^2-b^2}}\right )}{a^2 \left (a^2-b^2\right ) d^3}-\frac {b^3 x^2 \operatorname {PolyLog}\left (2,-\frac {a e^{i \left (c+d x^2\right )}}{b-\sqrt {-a^2+b^2}}\right )}{a^2 \left (-a^2+b^2\right )^{3/2} d^2}+\frac {2 b x^2 \operatorname {PolyLog}\left (2,-\frac {a e^{i \left (c+d x^2\right )}}{b-\sqrt {-a^2+b^2}}\right )}{a^2 \sqrt {-a^2+b^2} d^2}+\frac {b^3 x^2 \operatorname {PolyLog}\left (2,-\frac {a e^{i \left (c+d x^2\right )}}{b+\sqrt {-a^2+b^2}}\right )}{a^2 \left (-a^2+b^2\right )^{3/2} d^2}-\frac {2 b x^2 \operatorname {PolyLog}\left (2,-\frac {a e^{i \left (c+d x^2\right )}}{b+\sqrt {-a^2+b^2}}\right )}{a^2 \sqrt {-a^2+b^2} d^2}-\frac {i b^3 \operatorname {PolyLog}\left (3,-\frac {a e^{i \left (c+d x^2\right )}}{b-\sqrt {-a^2+b^2}}\right )}{a^2 \left (-a^2+b^2\right )^{3/2} d^3}+\frac {2 i b \operatorname {PolyLog}\left (3,-\frac {a e^{i \left (c+d x^2\right )}}{b-\sqrt {-a^2+b^2}}\right )}{a^2 \sqrt {-a^2+b^2} d^3}+\frac {i b^3 \operatorname {PolyLog}\left (3,-\frac {a e^{i \left (c+d x^2\right )}}{b+\sqrt {-a^2+b^2}}\right )}{a^2 \left (-a^2+b^2\right )^{3/2} d^3}-\frac {2 i b \operatorname {PolyLog}\left (3,-\frac {a e^{i \left (c+d x^2\right )}}{b+\sqrt {-a^2+b^2}}\right )}{a^2 \sqrt {-a^2+b^2} d^3}+\frac {b^2 x^4 \sin \left (c+d x^2\right )}{2 a \left (a^2-b^2\right ) d \left (b+a \cos \left (c+d x^2\right )\right )} \]
-2*I*b*polylog(3,-a*exp(I*(d*x^2+c))/(b+(-a^2+b^2)^(1/2)))/a^2/d^3/(-a^2+b ^2)^(1/2)+1/6*x^6/a^2+b^2*x^2*ln(1+a*exp(I*(d*x^2+c))/(b-I*(a^2-b^2)^(1/2) ))/a^2/(a^2-b^2)/d^2+b^2*x^2*ln(1+a*exp(I*(d*x^2+c))/(b+I*(a^2-b^2)^(1/2)) )/a^2/(a^2-b^2)/d^2-I*b*x^4*ln(1+a*exp(I*(d*x^2+c))/(b+(-a^2+b^2)^(1/2)))/ a^2/d/(-a^2+b^2)^(1/2)-I*b^3*polylog(3,-a*exp(I*(d*x^2+c))/(b-(-a^2+b^2)^( 1/2)))/a^2/(-a^2+b^2)^(3/2)/d^3-1/2*I*b^3*x^4*ln(1+a*exp(I*(d*x^2+c))/(b-( -a^2+b^2)^(1/2)))/a^2/(-a^2+b^2)^(3/2)/d+1/2*I*b^3*x^4*ln(1+a*exp(I*(d*x^2 +c))/(b+(-a^2+b^2)^(1/2)))/a^2/(-a^2+b^2)^(3/2)/d-b^3*x^2*polylog(2,-a*exp (I*(d*x^2+c))/(b-(-a^2+b^2)^(1/2)))/a^2/(-a^2+b^2)^(3/2)/d^2+b^3*x^2*polyl og(2,-a*exp(I*(d*x^2+c))/(b+(-a^2+b^2)^(1/2)))/a^2/(-a^2+b^2)^(3/2)/d^2-I* b^2*polylog(2,-a*exp(I*(d*x^2+c))/(b-I*(a^2-b^2)^(1/2)))/a^2/(a^2-b^2)/d^3 +I*b^3*polylog(3,-a*exp(I*(d*x^2+c))/(b+(-a^2+b^2)^(1/2)))/a^2/(-a^2+b^2)^ (3/2)/d^3+1/2*b^2*x^4*sin(d*x^2+c)/a/(a^2-b^2)/d/(b+a*cos(d*x^2+c))-I*b^2* polylog(2,-a*exp(I*(d*x^2+c))/(b+I*(a^2-b^2)^(1/2)))/a^2/(a^2-b^2)/d^3+2*I *b*polylog(3,-a*exp(I*(d*x^2+c))/(b-(-a^2+b^2)^(1/2)))/a^2/d^3/(-a^2+b^2)^ (1/2)+2*b*x^2*polylog(2,-a*exp(I*(d*x^2+c))/(b-(-a^2+b^2)^(1/2)))/a^2/d^2/ (-a^2+b^2)^(1/2)-2*b*x^2*polylog(2,-a*exp(I*(d*x^2+c))/(b+(-a^2+b^2)^(1/2) ))/a^2/d^2/(-a^2+b^2)^(1/2)+I*b*x^4*ln(1+a*exp(I*(d*x^2+c))/(b-(-a^2+b^2)^ (1/2)))/a^2/d/(-a^2+b^2)^(1/2)-1/2*I*b^2*x^4/a^2/(a^2-b^2)/d
Time = 6.73 (sec) , antiderivative size = 895, normalized size of antiderivative = 0.82 \[ \int \frac {x^5}{\left (a+b \sec \left (c+d x^2\right )\right )^2} \, dx=\frac {\left (b+a \cos \left (c+d x^2\right )\right ) \sec ^2\left (c+d x^2\right ) \left (x^6 \left (b+a \cos \left (c+d x^2\right )\right )-\frac {3 b \left (b+a \cos \left (c+d x^2\right )\right ) \left (2 \left (1+e^{2 i c}\right ) \left (i b \sqrt {\left (-a^2+b^2\right ) e^{2 i c}}-2 a^2 d e^{i c} x^2+b^2 d e^{i c} x^2\right ) \operatorname {PolyLog}\left (2,-\frac {a e^{i \left (2 c+d x^2\right )}}{b e^{i c}-\sqrt {\left (-a^2+b^2\right ) e^{2 i c}}}\right )+2 \left (1+e^{2 i c}\right ) \left (i b \sqrt {\left (-a^2+b^2\right ) e^{2 i c}}+2 a^2 d e^{i c} x^2-b^2 d e^{i c} x^2\right ) \operatorname {PolyLog}\left (2,-\frac {a e^{i \left (2 c+d x^2\right )}}{b e^{i c}+\sqrt {\left (-a^2+b^2\right ) e^{2 i c}}}\right )+i \left (d x^2 \left (2 b d e^{2 i c} \sqrt {\left (-a^2+b^2\right ) e^{2 i c}} x^2+\left (1+e^{2 i c}\right ) \left (2 i b \sqrt {\left (-a^2+b^2\right ) e^{2 i c}}-2 a^2 d e^{i c} x^2+b^2 d e^{i c} x^2\right ) \log \left (1+\frac {a e^{i \left (2 c+d x^2\right )}}{b e^{i c}-\sqrt {\left (-a^2+b^2\right ) e^{2 i c}}}\right )+\left (1+e^{2 i c}\right ) \left (2 i b \sqrt {\left (-a^2+b^2\right ) e^{2 i c}}+2 a^2 d e^{i c} x^2-b^2 d e^{i c} x^2\right ) \log \left (1+\frac {a e^{i \left (2 c+d x^2\right )}}{b e^{i c}+\sqrt {\left (-a^2+b^2\right ) e^{2 i c}}}\right )\right )-2 \left (2 a^2-b^2\right ) e^{i c} \left (1+e^{2 i c}\right ) \operatorname {PolyLog}\left (3,-\frac {a e^{i \left (2 c+d x^2\right )}}{b e^{i c}-\sqrt {\left (-a^2+b^2\right ) e^{2 i c}}}\right )+2 \left (2 a^2-b^2\right ) e^{i c} \left (1+e^{2 i c}\right ) \operatorname {PolyLog}\left (3,-\frac {a e^{i \left (2 c+d x^2\right )}}{b e^{i c}+\sqrt {\left (-a^2+b^2\right ) e^{2 i c}}}\right )\right )\right )}{\left (a^2-b^2\right ) d^3 \sqrt {\left (-a^2+b^2\right ) e^{2 i c}} \left (1+e^{2 i c}\right )}+\frac {3 b^2 x^4 \left (-b \sin (c)+a \sin \left (d x^2\right )\right )}{(a-b) (a+b) d \left (\cos \left (\frac {c}{2}\right )-\sin \left (\frac {c}{2}\right )\right ) \left (\cos \left (\frac {c}{2}\right )+\sin \left (\frac {c}{2}\right )\right )}\right )}{6 a^2 \left (a+b \sec \left (c+d x^2\right )\right )^2} \]
((b + a*Cos[c + d*x^2])*Sec[c + d*x^2]^2*(x^6*(b + a*Cos[c + d*x^2]) - (3* b*(b + a*Cos[c + d*x^2])*(2*(1 + E^((2*I)*c))*(I*b*Sqrt[(-a^2 + b^2)*E^((2 *I)*c)] - 2*a^2*d*E^(I*c)*x^2 + b^2*d*E^(I*c)*x^2)*PolyLog[2, -((a*E^(I*(2 *c + d*x^2)))/(b*E^(I*c) - Sqrt[(-a^2 + b^2)*E^((2*I)*c)]))] + 2*(1 + E^(( 2*I)*c))*(I*b*Sqrt[(-a^2 + b^2)*E^((2*I)*c)] + 2*a^2*d*E^(I*c)*x^2 - b^2*d *E^(I*c)*x^2)*PolyLog[2, -((a*E^(I*(2*c + d*x^2)))/(b*E^(I*c) + Sqrt[(-a^2 + b^2)*E^((2*I)*c)]))] + I*(d*x^2*(2*b*d*E^((2*I)*c)*Sqrt[(-a^2 + b^2)*E^ ((2*I)*c)]*x^2 + (1 + E^((2*I)*c))*((2*I)*b*Sqrt[(-a^2 + b^2)*E^((2*I)*c)] - 2*a^2*d*E^(I*c)*x^2 + b^2*d*E^(I*c)*x^2)*Log[1 + (a*E^(I*(2*c + d*x^2)) )/(b*E^(I*c) - Sqrt[(-a^2 + b^2)*E^((2*I)*c)])] + (1 + E^((2*I)*c))*((2*I) *b*Sqrt[(-a^2 + b^2)*E^((2*I)*c)] + 2*a^2*d*E^(I*c)*x^2 - b^2*d*E^(I*c)*x^ 2)*Log[1 + (a*E^(I*(2*c + d*x^2)))/(b*E^(I*c) + Sqrt[(-a^2 + b^2)*E^((2*I) *c)])]) - 2*(2*a^2 - b^2)*E^(I*c)*(1 + E^((2*I)*c))*PolyLog[3, -((a*E^(I*( 2*c + d*x^2)))/(b*E^(I*c) - Sqrt[(-a^2 + b^2)*E^((2*I)*c)]))] + 2*(2*a^2 - b^2)*E^(I*c)*(1 + E^((2*I)*c))*PolyLog[3, -((a*E^(I*(2*c + d*x^2)))/(b*E^ (I*c) + Sqrt[(-a^2 + b^2)*E^((2*I)*c)]))])))/((a^2 - b^2)*d^3*Sqrt[(-a^2 + b^2)*E^((2*I)*c)]*(1 + E^((2*I)*c))) + (3*b^2*x^4*(-(b*Sin[c]) + a*Sin[d* x^2]))/((a - b)*(a + b)*d*(Cos[c/2] - Sin[c/2])*(Cos[c/2] + Sin[c/2]))))/( 6*a^2*(a + b*Sec[c + d*x^2])^2)
Time = 2.38 (sec) , antiderivative size = 1090, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.222, Rules used = {4692, 3042, 4679, 2009}
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.
\(\displaystyle \int \frac {x^5}{\left (a+b \sec \left (c+d x^2\right )\right )^2} \, dx\) |
\(\Big \downarrow \) 4692 |
\(\displaystyle \frac {1}{2} \int \frac {x^4}{\left (a+b \sec \left (d x^2+c\right )\right )^2}dx^2\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle \frac {1}{2} \int \frac {x^4}{\left (a+b \csc \left (d x^2+c+\frac {\pi }{2}\right )\right )^2}dx^2\) |
\(\Big \downarrow \) 4679 |
\(\displaystyle \frac {1}{2} \int \left (-\frac {2 b x^4}{a^2 \left (b+a \cos \left (d x^2+c\right )\right )}+\frac {x^4}{a^2}+\frac {b^2 x^4}{a^2 \left (b+a \cos \left (d x^2+c\right )\right )^2}\right )dx^2\) |
\(\Big \downarrow \) 2009 |
\(\displaystyle \frac {1}{2} \left (\frac {x^6}{3 a^2}+\frac {2 i b \log \left (\frac {e^{i \left (d x^2+c\right )} a}{b-\sqrt {b^2-a^2}}+1\right ) x^4}{a^2 \sqrt {b^2-a^2} d}-\frac {i b^3 \log \left (\frac {e^{i \left (d x^2+c\right )} a}{b-\sqrt {b^2-a^2}}+1\right ) x^4}{a^2 \left (b^2-a^2\right )^{3/2} d}-\frac {2 i b \log \left (\frac {e^{i \left (d x^2+c\right )} a}{b+\sqrt {b^2-a^2}}+1\right ) x^4}{a^2 \sqrt {b^2-a^2} d}+\frac {i b^3 \log \left (\frac {e^{i \left (d x^2+c\right )} a}{b+\sqrt {b^2-a^2}}+1\right ) x^4}{a^2 \left (b^2-a^2\right )^{3/2} d}+\frac {b^2 \sin \left (d x^2+c\right ) x^4}{a \left (a^2-b^2\right ) d \left (b+a \cos \left (d x^2+c\right )\right )}-\frac {i b^2 x^4}{a^2 \left (a^2-b^2\right ) d}+\frac {2 b^2 \log \left (\frac {e^{i \left (d x^2+c\right )} a}{b-i \sqrt {a^2-b^2}}+1\right ) x^2}{a^2 \left (a^2-b^2\right ) d^2}+\frac {2 b^2 \log \left (\frac {e^{i \left (d x^2+c\right )} a}{b+i \sqrt {a^2-b^2}}+1\right ) x^2}{a^2 \left (a^2-b^2\right ) d^2}+\frac {4 b \operatorname {PolyLog}\left (2,-\frac {a e^{i \left (d x^2+c\right )}}{b-\sqrt {b^2-a^2}}\right ) x^2}{a^2 \sqrt {b^2-a^2} d^2}-\frac {2 b^3 \operatorname {PolyLog}\left (2,-\frac {a e^{i \left (d x^2+c\right )}}{b-\sqrt {b^2-a^2}}\right ) x^2}{a^2 \left (b^2-a^2\right )^{3/2} d^2}-\frac {4 b \operatorname {PolyLog}\left (2,-\frac {a e^{i \left (d x^2+c\right )}}{b+\sqrt {b^2-a^2}}\right ) x^2}{a^2 \sqrt {b^2-a^2} d^2}+\frac {2 b^3 \operatorname {PolyLog}\left (2,-\frac {a e^{i \left (d x^2+c\right )}}{b+\sqrt {b^2-a^2}}\right ) x^2}{a^2 \left (b^2-a^2\right )^{3/2} d^2}-\frac {2 i b^2 \operatorname {PolyLog}\left (2,-\frac {a e^{i \left (d x^2+c\right )}}{b-i \sqrt {a^2-b^2}}\right )}{a^2 \left (a^2-b^2\right ) d^3}-\frac {2 i b^2 \operatorname {PolyLog}\left (2,-\frac {a e^{i \left (d x^2+c\right )}}{b+i \sqrt {a^2-b^2}}\right )}{a^2 \left (a^2-b^2\right ) d^3}+\frac {4 i b \operatorname {PolyLog}\left (3,-\frac {a e^{i \left (d x^2+c\right )}}{b-\sqrt {b^2-a^2}}\right )}{a^2 \sqrt {b^2-a^2} d^3}-\frac {2 i b^3 \operatorname {PolyLog}\left (3,-\frac {a e^{i \left (d x^2+c\right )}}{b-\sqrt {b^2-a^2}}\right )}{a^2 \left (b^2-a^2\right )^{3/2} d^3}-\frac {4 i b \operatorname {PolyLog}\left (3,-\frac {a e^{i \left (d x^2+c\right )}}{b+\sqrt {b^2-a^2}}\right )}{a^2 \sqrt {b^2-a^2} d^3}+\frac {2 i b^3 \operatorname {PolyLog}\left (3,-\frac {a e^{i \left (d x^2+c\right )}}{b+\sqrt {b^2-a^2}}\right )}{a^2 \left (b^2-a^2\right )^{3/2} d^3}\right )\) |
(((-I)*b^2*x^4)/(a^2*(a^2 - b^2)*d) + x^6/(3*a^2) + (2*b^2*x^2*Log[1 + (a* E^(I*(c + d*x^2)))/(b - I*Sqrt[a^2 - b^2])])/(a^2*(a^2 - b^2)*d^2) + (2*b^ 2*x^2*Log[1 + (a*E^(I*(c + d*x^2)))/(b + I*Sqrt[a^2 - b^2])])/(a^2*(a^2 - b^2)*d^2) - (I*b^3*x^4*Log[1 + (a*E^(I*(c + d*x^2)))/(b - Sqrt[-a^2 + b^2] )])/(a^2*(-a^2 + b^2)^(3/2)*d) + ((2*I)*b*x^4*Log[1 + (a*E^(I*(c + d*x^2)) )/(b - Sqrt[-a^2 + b^2])])/(a^2*Sqrt[-a^2 + b^2]*d) + (I*b^3*x^4*Log[1 + ( a*E^(I*(c + d*x^2)))/(b + Sqrt[-a^2 + b^2])])/(a^2*(-a^2 + b^2)^(3/2)*d) - ((2*I)*b*x^4*Log[1 + (a*E^(I*(c + d*x^2)))/(b + Sqrt[-a^2 + b^2])])/(a^2* Sqrt[-a^2 + b^2]*d) - ((2*I)*b^2*PolyLog[2, -((a*E^(I*(c + d*x^2)))/(b - I *Sqrt[a^2 - b^2]))])/(a^2*(a^2 - b^2)*d^3) - ((2*I)*b^2*PolyLog[2, -((a*E^ (I*(c + d*x^2)))/(b + I*Sqrt[a^2 - b^2]))])/(a^2*(a^2 - b^2)*d^3) - (2*b^3 *x^2*PolyLog[2, -((a*E^(I*(c + d*x^2)))/(b - Sqrt[-a^2 + b^2]))])/(a^2*(-a ^2 + b^2)^(3/2)*d^2) + (4*b*x^2*PolyLog[2, -((a*E^(I*(c + d*x^2)))/(b - Sq rt[-a^2 + b^2]))])/(a^2*Sqrt[-a^2 + b^2]*d^2) + (2*b^3*x^2*PolyLog[2, -((a *E^(I*(c + d*x^2)))/(b + Sqrt[-a^2 + b^2]))])/(a^2*(-a^2 + b^2)^(3/2)*d^2) - (4*b*x^2*PolyLog[2, -((a*E^(I*(c + d*x^2)))/(b + Sqrt[-a^2 + b^2]))])/( a^2*Sqrt[-a^2 + b^2]*d^2) - ((2*I)*b^3*PolyLog[3, -((a*E^(I*(c + d*x^2)))/ (b - Sqrt[-a^2 + b^2]))])/(a^2*(-a^2 + b^2)^(3/2)*d^3) + ((4*I)*b*PolyLog[ 3, -((a*E^(I*(c + d*x^2)))/(b - Sqrt[-a^2 + b^2]))])/(a^2*Sqrt[-a^2 + b^2] *d^3) + ((2*I)*b^3*PolyLog[3, -((a*E^(I*(c + d*x^2)))/(b + Sqrt[-a^2 + ...
3.1.23.3.1 Defintions of rubi rules used
Int[(csc[(e_.) + (f_.)*(x_)]*(b_.) + (a_))^(n_.)*((c_.) + (d_.)*(x_))^(m_.) , x_Symbol] :> Int[ExpandIntegrand[(c + d*x)^m, 1/(Sin[e + f*x]^n/(b + a*Si n[e + f*x])^n), x], x] /; FreeQ[{a, b, c, d, e, f}, x] && ILtQ[n, 0] && IGt Q[m, 0]
Int[(x_)^(m_.)*((a_.) + (b_.)*Sec[(c_.) + (d_.)*(x_)^(n_)])^(p_.), x_Symbol ] :> Simp[1/n Subst[Int[x^(Simplify[(m + 1)/n] - 1)*(a + b*Sec[c + d*x])^ p, x], x, x^n], x] /; FreeQ[{a, b, c, d, m, n, p}, x] && IGtQ[Simplify[(m + 1)/n], 0] && IntegerQ[p]
\[\int \frac {x^{5}}{{\left (a +b \sec \left (d \,x^{2}+c \right )\right )}^{2}}d x\]
Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 3050 vs. \(2 (958) = 1916\).
Time = 0.51 (sec) , antiderivative size = 3050, normalized size of antiderivative = 2.79 \[ \int \frac {x^5}{\left (a+b \sec \left (c+d x^2\right )\right )^2} \, dx=\text {Too large to display} \]
1/12*(2*(a^5 - 2*a^3*b^2 + a*b^4)*d^3*x^6*cos(d*x^2 + c) + 2*(a^4*b - 2*a^ 2*b^3 + b^5)*d^3*x^6 + 6*(a^3*b^2 - a*b^4)*d^2*x^4*sin(d*x^2 + c) - 6*(2*I *a^3*b^2 - I*a*b^4 + (2*I*a^4*b - I*a^2*b^3)*cos(d*x^2 + c))*sqrt(-(a^2 - b^2)/a^2)*polylog(3, -(b*cos(d*x^2 + c) + I*b*sin(d*x^2 + c) + (a*cos(d*x^ 2 + c) + I*a*sin(d*x^2 + c))*sqrt(-(a^2 - b^2)/a^2))/a) - 6*(-2*I*a^3*b^2 + I*a*b^4 + (-2*I*a^4*b + I*a^2*b^3)*cos(d*x^2 + c))*sqrt(-(a^2 - b^2)/a^2 )*polylog(3, -(b*cos(d*x^2 + c) + I*b*sin(d*x^2 + c) - (a*cos(d*x^2 + c) + I*a*sin(d*x^2 + c))*sqrt(-(a^2 - b^2)/a^2))/a) - 6*(-2*I*a^3*b^2 + I*a*b^ 4 + (-2*I*a^4*b + I*a^2*b^3)*cos(d*x^2 + c))*sqrt(-(a^2 - b^2)/a^2)*polylo g(3, -(b*cos(d*x^2 + c) - I*b*sin(d*x^2 + c) + (a*cos(d*x^2 + c) - I*a*sin (d*x^2 + c))*sqrt(-(a^2 - b^2)/a^2))/a) - 6*(2*I*a^3*b^2 - I*a*b^4 + (2*I* a^4*b - I*a^2*b^3)*cos(d*x^2 + c))*sqrt(-(a^2 - b^2)/a^2)*polylog(3, -(b*c os(d*x^2 + c) - I*b*sin(d*x^2 + c) - (a*cos(d*x^2 + c) - I*a*sin(d*x^2 + c ))*sqrt(-(a^2 - b^2)/a^2))/a) - 6*(I*a^2*b^3 - I*b^5 + (I*a^3*b^2 - I*a*b^ 4)*cos(d*x^2 + c) + ((2*a^4*b - a^2*b^3)*d*x^2*cos(d*x^2 + c) + (2*a^3*b^2 - a*b^4)*d*x^2)*sqrt(-(a^2 - b^2)/a^2))*dilog(-(b*cos(d*x^2 + c) + I*b*si n(d*x^2 + c) + (a*cos(d*x^2 + c) + I*a*sin(d*x^2 + c))*sqrt(-(a^2 - b^2)/a ^2) + a)/a + 1) - 6*(I*a^2*b^3 - I*b^5 + (I*a^3*b^2 - I*a*b^4)*cos(d*x^2 + c) - ((2*a^4*b - a^2*b^3)*d*x^2*cos(d*x^2 + c) + (2*a^3*b^2 - a*b^4)*d*x^ 2)*sqrt(-(a^2 - b^2)/a^2))*dilog(-(b*cos(d*x^2 + c) + I*b*sin(d*x^2 + c...
\[ \int \frac {x^5}{\left (a+b \sec \left (c+d x^2\right )\right )^2} \, dx=\int \frac {x^{5}}{\left (a + b \sec {\left (c + d x^{2} \right )}\right )^{2}}\, dx \]
\[ \int \frac {x^5}{\left (a+b \sec \left (c+d x^2\right )\right )^2} \, dx=\int { \frac {x^{5}}{{\left (b \sec \left (d x^{2} + c\right ) + a\right )}^{2}} \,d x } \]
1/6*((a^4 - a^2*b^2)*d*x^6*cos(2*d*x^2 + 2*c)^2 + 4*(a^2*b^2 - b^4)*d*x^6* cos(d*x^2 + c)^2 + (a^4 - a^2*b^2)*d*x^6*sin(2*d*x^2 + 2*c)^2 + 4*(a^2*b^2 - b^4)*d*x^6*sin(d*x^2 + c)^2 + 4*(a^3*b - a*b^3)*d*x^6*cos(d*x^2 + c) + 6*a*b^3*x^4*sin(d*x^2 + c) + (a^4 - a^2*b^2)*d*x^6 + 2*(2*(a^3*b - a*b^3)* d*x^6*cos(d*x^2 + c) - 3*a*b^3*x^4*sin(d*x^2 + c) + (a^4 - a^2*b^2)*d*x^6) *cos(2*d*x^2 + 2*c) - 6*((a^6 - a^4*b^2)*d*cos(2*d*x^2 + 2*c)^2 + 4*(a^4*b ^2 - a^2*b^4)*d*cos(d*x^2 + c)^2 + (a^6 - a^4*b^2)*d*sin(2*d*x^2 + 2*c)^2 + 4*(a^5*b - a^3*b^3)*d*sin(2*d*x^2 + 2*c)*sin(d*x^2 + c) + 4*(a^4*b^2 - a ^2*b^4)*d*sin(d*x^2 + c)^2 + 4*(a^5*b - a^3*b^3)*d*cos(d*x^2 + c) + (a^6 - a^4*b^2)*d + 2*(2*(a^5*b - a^3*b^3)*d*cos(d*x^2 + c) + (a^6 - a^4*b^2)*d) *cos(2*d*x^2 + 2*c))*integrate(2*(2*(2*a^2*b^2 - b^4)*d*x^5*cos(d*x^2 + c) ^2 + 2*(2*a^2*b^2 - b^4)*d*x^5*sin(d*x^2 + c)^2 + (2*a^3*b - a*b^3)*d*x^5* cos(d*x^2 + c) + 2*a*b^3*x^3*sin(d*x^2 + c) + ((2*a^3*b - a*b^3)*d*x^5*cos (d*x^2 + c) - 2*a*b^3*x^3*sin(d*x^2 + c))*cos(2*d*x^2 + 2*c) + (2*a*b^3*x^ 3*cos(d*x^2 + c) + (2*a^3*b - a*b^3)*d*x^5*sin(d*x^2 + c) + 2*a^2*b^2*x^3) *sin(2*d*x^2 + 2*c))/((a^6 - a^4*b^2)*d*cos(2*d*x^2 + 2*c)^2 + 4*(a^4*b^2 - a^2*b^4)*d*cos(d*x^2 + c)^2 + (a^6 - a^4*b^2)*d*sin(2*d*x^2 + 2*c)^2 + 4 *(a^5*b - a^3*b^3)*d*sin(2*d*x^2 + 2*c)*sin(d*x^2 + c) + 4*(a^4*b^2 - a^2* b^4)*d*sin(d*x^2 + c)^2 + 4*(a^5*b - a^3*b^3)*d*cos(d*x^2 + c) + (a^6 - a^ 4*b^2)*d + 2*(2*(a^5*b - a^3*b^3)*d*cos(d*x^2 + c) + (a^6 - a^4*b^2)*d)...
\[ \int \frac {x^5}{\left (a+b \sec \left (c+d x^2\right )\right )^2} \, dx=\int { \frac {x^{5}}{{\left (b \sec \left (d x^{2} + c\right ) + a\right )}^{2}} \,d x } \]
Timed out. \[ \int \frac {x^5}{\left (a+b \sec \left (c+d x^2\right )\right )^2} \, dx=\int \frac {x^5}{{\left (a+\frac {b}{\cos \left (d\,x^2+c\right )}\right )}^2} \,d x \]