Optimal. Leaf size=51 \[ \frac{\left (d+e x^3\right ) \left (c \left (d+e x^3\right )^p\right )^{-1/p} \text{Ei}\left (\frac{\log \left (c \left (e x^3+d\right )^p\right )}{p}\right )}{3 e p} \]
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Rubi [A] time = 0.0623186, antiderivative size = 51, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 4, integrand size = 18, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.222, Rules used = {2454, 2389, 2300, 2178} \[ \frac{\left (d+e x^3\right ) \left (c \left (d+e x^3\right )^p\right )^{-1/p} \text{Ei}\left (\frac{\log \left (c \left (e x^3+d\right )^p\right )}{p}\right )}{3 e p} \]
Antiderivative was successfully verified.
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Rule 2454
Rule 2389
Rule 2300
Rule 2178
Rubi steps
\begin{align*} \int \frac{x^2}{\log \left (c \left (d+e x^3\right )^p\right )} \, dx &=\frac{1}{3} \operatorname{Subst}\left (\int \frac{1}{\log \left (c (d+e x)^p\right )} \, dx,x,x^3\right )\\ &=\frac{\operatorname{Subst}\left (\int \frac{1}{\log \left (c x^p\right )} \, dx,x,d+e x^3\right )}{3 e}\\ &=\frac{\left (\left (d+e x^3\right ) \left (c \left (d+e x^3\right )^p\right )^{-1/p}\right ) \operatorname{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 p}\\ &=\frac{\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 p}\\ \end{align*}
Mathematica [A] time = 0.0405966, size = 51, normalized size = 1. \[ \frac{\left (d+e x^3\right ) \left (c \left (d+e x^3\right )^p\right )^{-1/p} \text{Ei}\left (\frac{\log \left (c \left (e x^3+d\right )^p\right )}{p}\right )}{3 e p} \]
Antiderivative was successfully verified.
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Maple [C] time = 1.246, size = 317, normalized size = 6.2 \begin{align*} -{\frac{1}{3\,pe}{{\rm e}^{-{\frac{i\pi \,{\it csgn} \left ( i \left ( e{x}^{3}+d \right ) ^{p} \right ) \left ({\it csgn} \left ( ic \left ( e{x}^{3}+d \right ) ^{p} \right ) \right ) ^{2}-i\pi \,{\it csgn} \left ( i \left ( e{x}^{3}+d \right ) ^{p} \right ){\it csgn} \left ( ic \left ( e{x}^{3}+d \right ) ^{p} \right ){\it csgn} \left ( ic \right ) -i\pi \, \left ({\it csgn} \left ( ic \left ( e{x}^{3}+d \right ) ^{p} \right ) \right ) ^{3}+i\pi \, \left ({\it csgn} \left ( ic \left ( e{x}^{3}+d \right ) ^{p} \right ) \right ) ^{2}{\it csgn} \left ( ic \right ) +2\,\ln \left ( c \right ) +2\,\ln \left ( \left ( e{x}^{3}+d \right ) ^{p} \right ) -2\,p\ln \left ( e{x}^{3}+d \right ) }{2\,p}}}}{\it Ei} \left ( 1,-\ln \left ( e{x}^{3}+d \right ) -{\frac{i\pi \,{\it csgn} \left ( i \left ( e{x}^{3}+d \right ) ^{p} \right ) \left ({\it csgn} \left ( ic \left ( e{x}^{3}+d \right ) ^{p} \right ) \right ) ^{2}-i\pi \,{\it csgn} \left ( i \left ( e{x}^{3}+d \right ) ^{p} \right ){\it csgn} \left ( ic \left ( e{x}^{3}+d \right ) ^{p} \right ){\it csgn} \left ( ic \right ) -i\pi \, \left ({\it csgn} \left ( ic \left ( e{x}^{3}+d \right ) ^{p} \right ) \right ) ^{3}+i\pi \, \left ({\it csgn} \left ( ic \left ( e{x}^{3}+d \right ) ^{p} \right ) \right ) ^{2}{\it csgn} \left ( ic \right ) +2\,\ln \left ( c \right ) +2\,\ln \left ( \left ( e{x}^{3}+d \right ) ^{p} \right ) -2\,p\ln \left ( e{x}^{3}+d \right ) }{2\,p}} \right ) } \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{x^{2}}{\log \left ({\left (e x^{3} + d\right )}^{p} c\right )}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.97017, size = 72, normalized size = 1.41 \begin{align*} \frac{\logintegral \left ({\left (e x^{3} + d\right )} c^{\left (\frac{1}{p}\right )}\right )}{3 \, c^{\left (\frac{1}{p}\right )} e p} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-1)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.2565, size = 42, normalized size = 0.82 \begin{align*} \frac{{\rm Ei}\left (\frac{\log \left (c\right )}{p} + \log \left (x^{3} e + d\right )\right ) e^{\left (-1\right )}}{3 \, c^{\left (\frac{1}{p}\right )} p} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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