Integrand size = 18, antiderivative size = 195 \[ \int \frac {x^8}{\log ^2\left (c \left (d+e x^3\right )^p\right )} \, dx=\frac {d^2 \left (d+e x^3\right ) \left (c \left (d+e x^3\right )^p\right )^{-1/p} \operatorname {ExpIntegralEi}\left (\frac {\log \left (c \left (d+e x^3\right )^p\right )}{p}\right )}{3 e^3 p^2}-\frac {4 d \left (d+e x^3\right )^2 \left (c \left (d+e x^3\right )^p\right )^{-2/p} \operatorname {ExpIntegralEi}\left (\frac {2 \log \left (c \left (d+e x^3\right )^p\right )}{p}\right )}{3 e^3 p^2}+\frac {\left (d+e x^3\right )^3 \left (c \left (d+e x^3\right )^p\right )^{-3/p} \operatorname {ExpIntegralEi}\left (\frac {3 \log \left (c \left (d+e x^3\right )^p\right )}{p}\right )}{e^3 p^2}-\frac {x^6 \left (d+e x^3\right )}{3 e p \log \left (c \left (d+e x^3\right )^p\right )} \]
[Out]
Time = 0.25 (sec) , antiderivative size = 195, normalized size of antiderivative = 1.00, number of steps used = 21, number of rules used = 8, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.444, Rules used = {2504, 2447, 2446, 2436, 2337, 2209, 2437, 2347} \[ \int \frac {x^8}{\log ^2\left (c \left (d+e x^3\right )^p\right )} \, dx=\frac {d^2 \left (d+e x^3\right ) \left (c \left (d+e x^3\right )^p\right )^{-1/p} \operatorname {ExpIntegralEi}\left (\frac {\log \left (c \left (e x^3+d\right )^p\right )}{p}\right )}{3 e^3 p^2}+\frac {\left (d+e x^3\right )^3 \left (c \left (d+e x^3\right )^p\right )^{-3/p} \operatorname {ExpIntegralEi}\left (\frac {3 \log \left (c \left (e x^3+d\right )^p\right )}{p}\right )}{e^3 p^2}-\frac {4 d \left (d+e x^3\right )^2 \left (c \left (d+e x^3\right )^p\right )^{-2/p} \operatorname {ExpIntegralEi}\left (\frac {2 \log \left (c \left (e x^3+d\right )^p\right )}{p}\right )}{3 e^3 p^2}-\frac {x^6 \left (d+e x^3\right )}{3 e p \log \left (c \left (d+e x^3\right )^p\right )} \]
[In]
[Out]
Rule 2209
Rule 2337
Rule 2347
Rule 2436
Rule 2437
Rule 2446
Rule 2447
Rule 2504
Rubi steps \begin{align*} \text {integral}& = \frac {1}{3} \text {Subst}\left (\int \frac {x^2}{\log ^2\left (c (d+e x)^p\right )} \, dx,x,x^3\right ) \\ & = -\frac {x^6 \left (d+e x^3\right )}{3 e p \log \left (c \left (d+e x^3\right )^p\right )}+\frac {\text {Subst}\left (\int \frac {x^2}{\log \left (c (d+e x)^p\right )} \, dx,x,x^3\right )}{p}+\frac {(2 d) \text {Subst}\left (\int \frac {x}{\log \left (c (d+e x)^p\right )} \, dx,x,x^3\right )}{3 e p} \\ & = -\frac {x^6 \left (d+e x^3\right )}{3 e p \log \left (c \left (d+e x^3\right )^p\right )}+\frac {\text {Subst}\left (\int \left (\frac {d^2}{e^2 \log \left (c (d+e x)^p\right )}-\frac {2 d (d+e x)}{e^2 \log \left (c (d+e x)^p\right )}+\frac {(d+e x)^2}{e^2 \log \left (c (d+e x)^p\right )}\right ) \, dx,x,x^3\right )}{p}+\frac {(2 d) \text {Subst}\left (\int \left (-\frac {d}{e \log \left (c (d+e x)^p\right )}+\frac {d+e x}{e \log \left (c (d+e x)^p\right )}\right ) \, dx,x,x^3\right )}{3 e p} \\ & = -\frac {x^6 \left (d+e x^3\right )}{3 e p \log \left (c \left (d+e x^3\right )^p\right )}+\frac {\text {Subst}\left (\int \frac {(d+e x)^2}{\log \left (c (d+e x)^p\right )} \, dx,x,x^3\right )}{e^2 p}+\frac {(2 d) \text {Subst}\left (\int \frac {d+e x}{\log \left (c (d+e x)^p\right )} \, dx,x,x^3\right )}{3 e^2 p}-\frac {(2 d) \text {Subst}\left (\int \frac {d+e x}{\log \left (c (d+e x)^p\right )} \, dx,x,x^3\right )}{e^2 p}-\frac {\left (2 d^2\right ) \text {Subst}\left (\int \frac {1}{\log \left (c (d+e x)^p\right )} \, dx,x,x^3\right )}{3 e^2 p}+\frac {d^2 \text {Subst}\left (\int \frac {1}{\log \left (c (d+e x)^p\right )} \, dx,x,x^3\right )}{e^2 p} \\ & = -\frac {x^6 \left (d+e x^3\right )}{3 e p \log \left (c \left (d+e x^3\right )^p\right )}+\frac {\text {Subst}\left (\int \frac {x^2}{\log \left (c x^p\right )} \, dx,x,d+e x^3\right )}{e^3 p}+\frac {(2 d) \text {Subst}\left (\int \frac {x}{\log \left (c x^p\right )} \, dx,x,d+e x^3\right )}{3 e^3 p}-\frac {(2 d) \text {Subst}\left (\int \frac {x}{\log \left (c x^p\right )} \, dx,x,d+e x^3\right )}{e^3 p}-\frac {\left (2 d^2\right ) \text {Subst}\left (\int \frac {1}{\log \left (c x^p\right )} \, dx,x,d+e x^3\right )}{3 e^3 p}+\frac {d^2 \text {Subst}\left (\int \frac {1}{\log \left (c x^p\right )} \, dx,x,d+e x^3\right )}{e^3 p} \\ & = -\frac {x^6 \left (d+e x^3\right )}{3 e p \log \left (c \left (d+e x^3\right )^p\right )}+\frac {\left (\left (d+e x^3\right )^3 \left (c \left (d+e x^3\right )^p\right )^{-3/p}\right ) \text {Subst}\left (\int \frac {e^{\frac {3 x}{p}}}{x} \, dx,x,\log \left (c \left (d+e x^3\right )^p\right )\right )}{e^3 p^2}+\frac {\left (2 d \left (d+e x^3\right )^2 \left (c \left (d+e x^3\right )^p\right )^{-2/p}\right ) \text {Subst}\left (\int \frac {e^{\frac {2 x}{p}}}{x} \, dx,x,\log \left (c \left (d+e x^3\right )^p\right )\right )}{3 e^3 p^2}-\frac {\left (2 d \left (d+e x^3\right )^2 \left (c \left (d+e x^3\right )^p\right )^{-2/p}\right ) \text {Subst}\left (\int \frac {e^{\frac {2 x}{p}}}{x} \, dx,x,\log \left (c \left (d+e x^3\right )^p\right )\right )}{e^3 p^2}-\frac {\left (2 d^2 \left (d+e x^3\right ) \left (c \left (d+e x^3\right )^p\right )^{-1/p}\right ) \text {Subst}\left (\int \frac {e^{\frac {x}{p}}}{x} \, dx,x,\log \left (c \left (d+e x^3\right )^p\right )\right )}{3 e^3 p^2}+\frac {\left (d^2 \left (d+e x^3\right ) \left (c \left (d+e x^3\right )^p\right )^{-1/p}\right ) \text {Subst}\left (\int \frac {e^{\frac {x}{p}}}{x} \, dx,x,\log \left (c \left (d+e x^3\right )^p\right )\right )}{e^3 p^2} \\ & = \frac {d^2 \left (d+e x^3\right ) \left (c \left (d+e x^3\right )^p\right )^{-1/p} \text {Ei}\left (\frac {\log \left (c \left (d+e x^3\right )^p\right )}{p}\right )}{3 e^3 p^2}-\frac {4 d \left (d+e x^3\right )^2 \left (c \left (d+e x^3\right )^p\right )^{-2/p} \text {Ei}\left (\frac {2 \log \left (c \left (d+e x^3\right )^p\right )}{p}\right )}{3 e^3 p^2}+\frac {\left (d+e x^3\right )^3 \left (c \left (d+e x^3\right )^p\right )^{-3/p} \text {Ei}\left (\frac {3 \log \left (c \left (d+e x^3\right )^p\right )}{p}\right )}{e^3 p^2}-\frac {x^6 \left (d+e x^3\right )}{3 e p \log \left (c \left (d+e x^3\right )^p\right )} \\ \end{align*}
Time = 0.12 (sec) , antiderivative size = 290, normalized size of antiderivative = 1.49 \[ \int \frac {x^8}{\log ^2\left (c \left (d+e x^3\right )^p\right )} \, dx=\frac {\left (d+e x^3\right ) \left (c \left (d+e x^3\right )^p\right )^{-3/p} \left (-e^2 p x^6 \left (c \left (d+e x^3\right )^p\right )^{3/p}+d^2 \left (c \left (d+e x^3\right )^p\right )^{2/p} \operatorname {ExpIntegralEi}\left (\frac {\log \left (c \left (d+e x^3\right )^p\right )}{p}\right ) \log \left (c \left (d+e x^3\right )^p\right )-4 d \left (d+e x^3\right ) \left (c \left (d+e x^3\right )^p\right )^{\frac {1}{p}} \operatorname {ExpIntegralEi}\left (\frac {2 \log \left (c \left (d+e x^3\right )^p\right )}{p}\right ) \log \left (c \left (d+e x^3\right )^p\right )+3 d^2 \operatorname {ExpIntegralEi}\left (\frac {3 \log \left (c \left (d+e x^3\right )^p\right )}{p}\right ) \log \left (c \left (d+e x^3\right )^p\right )+6 d e x^3 \operatorname {ExpIntegralEi}\left (\frac {3 \log \left (c \left (d+e x^3\right )^p\right )}{p}\right ) \log \left (c \left (d+e x^3\right )^p\right )+3 e^2 x^6 \operatorname {ExpIntegralEi}\left (\frac {3 \log \left (c \left (d+e x^3\right )^p\right )}{p}\right ) \log \left (c \left (d+e x^3\right )^p\right )\right )}{3 e^3 p^2 \log \left (c \left (d+e x^3\right )^p\right )} \]
[In]
[Out]
Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 1.14 (sec) , antiderivative size = 2564, normalized size of antiderivative = 13.15
[In]
[Out]
none
Time = 0.34 (sec) , antiderivative size = 211, normalized size of antiderivative = 1.08 \[ \int \frac {x^8}{\log ^2\left (c \left (d+e x^3\right )^p\right )} \, dx=-\frac {4 \, {\left (d p \log \left (e x^{3} + d\right ) + d \log \left (c\right )\right )} c^{\left (\frac {1}{p}\right )} \operatorname {log\_integral}\left ({\left (e^{2} x^{6} + 2 \, d e x^{3} + d^{2}\right )} c^{\frac {2}{p}}\right ) - {\left (d^{2} p \log \left (e x^{3} + d\right ) + d^{2} \log \left (c\right )\right )} c^{\frac {2}{p}} \operatorname {log\_integral}\left ({\left (e x^{3} + d\right )} c^{\left (\frac {1}{p}\right )}\right ) + {\left (e^{3} p x^{9} + d e^{2} p x^{6}\right )} c^{\frac {3}{p}} - 3 \, {\left (p \log \left (e x^{3} + d\right ) + \log \left (c\right )\right )} \operatorname {log\_integral}\left ({\left (e^{3} x^{9} + 3 \, d e^{2} x^{6} + 3 \, d^{2} e x^{3} + d^{3}\right )} c^{\frac {3}{p}}\right )}{3 \, {\left (e^{3} p^{3} \log \left (e x^{3} + d\right ) + e^{3} p^{2} \log \left (c\right )\right )} c^{\frac {3}{p}}} \]
[In]
[Out]
\[ \int \frac {x^8}{\log ^2\left (c \left (d+e x^3\right )^p\right )} \, dx=\int \frac {x^{8}}{\log {\left (c \left (d + e x^{3}\right )^{p} \right )}^{2}}\, dx \]
[In]
[Out]
\[ \int \frac {x^8}{\log ^2\left (c \left (d+e x^3\right )^p\right )} \, dx=\int { \frac {x^{8}}{\log \left ({\left (e x^{3} + d\right )}^{p} c\right )^{2}} \,d x } \]
[In]
[Out]
Leaf count of result is larger than twice the leaf count of optimal. 487 vs. \(2 (193) = 386\).
Time = 0.33 (sec) , antiderivative size = 487, normalized size of antiderivative = 2.50 \[ \int \frac {x^8}{\log ^2\left (c \left (d+e x^3\right )^p\right )} \, dx=-\frac {1}{3} \, d^{2} {\left (\frac {{\left (e x^{3} + d\right )} p}{e^{3} p^{3} \log \left (e x^{3} + d\right ) + e^{3} p^{2} \log \left (c\right )} - \frac {p {\rm Ei}\left (\frac {\log \left (c\right )}{p} + \log \left (e x^{3} + d\right )\right ) \log \left (e x^{3} + d\right )}{{\left (e^{3} p^{3} \log \left (e x^{3} + d\right ) + e^{3} p^{2} \log \left (c\right )\right )} c^{\left (\frac {1}{p}\right )}} - \frac {{\rm Ei}\left (\frac {\log \left (c\right )}{p} + \log \left (e x^{3} + d\right )\right ) \log \left (c\right )}{{\left (e^{3} p^{3} \log \left (e x^{3} + d\right ) + e^{3} p^{2} \log \left (c\right )\right )} c^{\left (\frac {1}{p}\right )}}\right )} - \frac {{\left (e x^{3} + d\right )}^{3} p}{3 \, {\left (e^{3} p^{3} \log \left (e x^{3} + d\right ) + e^{3} p^{2} \log \left (c\right )\right )}} + \frac {2 \, {\left (e x^{3} + d\right )}^{2} d p}{3 \, {\left (e^{3} p^{3} \log \left (e x^{3} + d\right ) + e^{3} p^{2} \log \left (c\right )\right )}} - \frac {4 \, d p {\rm Ei}\left (\frac {2 \, \log \left (c\right )}{p} + 2 \, \log \left (e x^{3} + d\right )\right ) \log \left (e x^{3} + d\right )}{3 \, {\left (e^{3} p^{3} \log \left (e x^{3} + d\right ) + e^{3} p^{2} \log \left (c\right )\right )} c^{\frac {2}{p}}} + \frac {p {\rm Ei}\left (\frac {3 \, \log \left (c\right )}{p} + 3 \, \log \left (e x^{3} + d\right )\right ) \log \left (e x^{3} + d\right )}{{\left (e^{3} p^{3} \log \left (e x^{3} + d\right ) + e^{3} p^{2} \log \left (c\right )\right )} c^{\frac {3}{p}}} - \frac {4 \, d {\rm Ei}\left (\frac {2 \, \log \left (c\right )}{p} + 2 \, \log \left (e x^{3} + d\right )\right ) \log \left (c\right )}{3 \, {\left (e^{3} p^{3} \log \left (e x^{3} + d\right ) + e^{3} p^{2} \log \left (c\right )\right )} c^{\frac {2}{p}}} + \frac {{\rm Ei}\left (\frac {3 \, \log \left (c\right )}{p} + 3 \, \log \left (e x^{3} + d\right )\right ) \log \left (c\right )}{{\left (e^{3} p^{3} \log \left (e x^{3} + d\right ) + e^{3} p^{2} \log \left (c\right )\right )} c^{\frac {3}{p}}} \]
[In]
[Out]
Timed out. \[ \int \frac {x^8}{\log ^2\left (c \left (d+e x^3\right )^p\right )} \, dx=\int \frac {x^8}{{\ln \left (c\,{\left (e\,x^3+d\right )}^p\right )}^2} \,d x \]
[In]
[Out]