Optimal. Leaf size=474 \[ \frac{g^2 3^{-n} e^{-\frac{3 a}{b n}} (d+e x)^3 (e f-d g) \left (c (d+e x)^n\right )^{-3/n} \left (a+b \log \left (c (d+e x)^n\right )\right )^n \left (-\frac{a+b \log \left (c (d+e x)^n\right )}{b n}\right )^{-n} \text{Gamma}\left (n+1,-\frac{3 \left (a+b \log \left (c (d+e x)^n\right )\right )}{b n}\right )}{e^4}+\frac{3 g 2^{-n-1} e^{-\frac{2 a}{b n}} (d+e x)^2 (e f-d g)^2 \left (c (d+e x)^n\right )^{-2/n} \left (a+b \log \left (c (d+e x)^n\right )\right )^n \left (-\frac{a+b \log \left (c (d+e x)^n\right )}{b n}\right )^{-n} \text{Gamma}\left (n+1,-\frac{2 \left (a+b \log \left (c (d+e x)^n\right )\right )}{b n}\right )}{e^4}+\frac{e^{-\frac{a}{b n}} (d+e x) (e f-d g)^3 \left (c (d+e x)^n\right )^{-1/n} \left (a+b \log \left (c (d+e x)^n\right )\right )^n \left (-\frac{a+b \log \left (c (d+e x)^n\right )}{b n}\right )^{-n} \text{Gamma}\left (n+1,-\frac{a+b \log \left (c (d+e x)^n\right )}{b n}\right )}{e^4}+\frac{g^3 4^{-n-1} e^{-\frac{4 a}{b n}} (d+e x)^4 \left (c (d+e x)^n\right )^{-4/n} \left (a+b \log \left (c (d+e x)^n\right )\right )^n \left (-\frac{a+b \log \left (c (d+e x)^n\right )}{b n}\right )^{-n} \text{Gamma}\left (n+1,-\frac{4 \left (a+b \log \left (c (d+e x)^n\right )\right )}{b n}\right )}{e^4} \]
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Rubi [A] time = 0.548706, antiderivative size = 474, normalized size of antiderivative = 1., number of steps used = 14, number of rules used = 6, integrand size = 24, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.25, Rules used = {2401, 2389, 2300, 2181, 2390, 2310} \[ \frac{g^2 3^{-n} e^{-\frac{3 a}{b n}} (d+e x)^3 (e f-d g) \left (c (d+e x)^n\right )^{-3/n} \left (a+b \log \left (c (d+e x)^n\right )\right )^n \left (-\frac{a+b \log \left (c (d+e x)^n\right )}{b n}\right )^{-n} \text{Gamma}\left (n+1,-\frac{3 \left (a+b \log \left (c (d+e x)^n\right )\right )}{b n}\right )}{e^4}+\frac{3 g 2^{-n-1} e^{-\frac{2 a}{b n}} (d+e x)^2 (e f-d g)^2 \left (c (d+e x)^n\right )^{-2/n} \left (a+b \log \left (c (d+e x)^n\right )\right )^n \left (-\frac{a+b \log \left (c (d+e x)^n\right )}{b n}\right )^{-n} \text{Gamma}\left (n+1,-\frac{2 \left (a+b \log \left (c (d+e x)^n\right )\right )}{b n}\right )}{e^4}+\frac{e^{-\frac{a}{b n}} (d+e x) (e f-d g)^3 \left (c (d+e x)^n\right )^{-1/n} \left (a+b \log \left (c (d+e x)^n\right )\right )^n \left (-\frac{a+b \log \left (c (d+e x)^n\right )}{b n}\right )^{-n} \text{Gamma}\left (n+1,-\frac{a+b \log \left (c (d+e x)^n\right )}{b n}\right )}{e^4}+\frac{g^3 4^{-n-1} e^{-\frac{4 a}{b n}} (d+e x)^4 \left (c (d+e x)^n\right )^{-4/n} \left (a+b \log \left (c (d+e x)^n\right )\right )^n \left (-\frac{a+b \log \left (c (d+e x)^n\right )}{b n}\right )^{-n} \text{Gamma}\left (n+1,-\frac{4 \left (a+b \log \left (c (d+e x)^n\right )\right )}{b n}\right )}{e^4} \]
Antiderivative was successfully verified.
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Rule 2401
Rule 2389
Rule 2300
Rule 2181
Rule 2390
Rule 2310
Rubi steps
\begin{align*} \int (f+g x)^3 \left (a+b \log \left (c (d+e x)^n\right )\right )^n \, dx &=\int \left (\frac{(e f-d g)^3 \left (a+b \log \left (c (d+e x)^n\right )\right )^n}{e^3}+\frac{3 g (e f-d g)^2 (d+e x) \left (a+b \log \left (c (d+e x)^n\right )\right )^n}{e^3}+\frac{3 g^2 (e f-d g) (d+e x)^2 \left (a+b \log \left (c (d+e x)^n\right )\right )^n}{e^3}+\frac{g^3 (d+e x)^3 \left (a+b \log \left (c (d+e x)^n\right )\right )^n}{e^3}\right ) \, dx\\ &=\frac{g^3 \int (d+e x)^3 \left (a+b \log \left (c (d+e x)^n\right )\right )^n \, dx}{e^3}+\frac{\left (3 g^2 (e f-d g)\right ) \int (d+e x)^2 \left (a+b \log \left (c (d+e x)^n\right )\right )^n \, dx}{e^3}+\frac{\left (3 g (e f-d g)^2\right ) \int (d+e x) \left (a+b \log \left (c (d+e x)^n\right )\right )^n \, dx}{e^3}+\frac{(e f-d g)^3 \int \left (a+b \log \left (c (d+e x)^n\right )\right )^n \, dx}{e^3}\\ &=\frac{g^3 \operatorname{Subst}\left (\int x^3 \left (a+b \log \left (c x^n\right )\right )^n \, dx,x,d+e x\right )}{e^4}+\frac{\left (3 g^2 (e f-d g)\right ) \operatorname{Subst}\left (\int x^2 \left (a+b \log \left (c x^n\right )\right )^n \, dx,x,d+e x\right )}{e^4}+\frac{\left (3 g (e f-d g)^2\right ) \operatorname{Subst}\left (\int x \left (a+b \log \left (c x^n\right )\right )^n \, dx,x,d+e x\right )}{e^4}+\frac{(e f-d g)^3 \operatorname{Subst}\left (\int \left (a+b \log \left (c x^n\right )\right )^n \, dx,x,d+e x\right )}{e^4}\\ &=\frac{\left (g^3 (d+e x)^4 \left (c (d+e x)^n\right )^{-4/n}\right ) \operatorname{Subst}\left (\int e^{\frac{4 x}{n}} (a+b x)^n \, dx,x,\log \left (c (d+e x)^n\right )\right )}{e^4 n}+\frac{\left (3 g^2 (e f-d g) (d+e x)^3 \left (c (d+e x)^n\right )^{-3/n}\right ) \operatorname{Subst}\left (\int e^{\frac{3 x}{n}} (a+b x)^n \, dx,x,\log \left (c (d+e x)^n\right )\right )}{e^4 n}+\frac{\left (3 g (e f-d g)^2 (d+e x)^2 \left (c (d+e x)^n\right )^{-2/n}\right ) \operatorname{Subst}\left (\int e^{\frac{2 x}{n}} (a+b x)^n \, dx,x,\log \left (c (d+e x)^n\right )\right )}{e^4 n}+\frac{\left ((e f-d g)^3 (d+e x) \left (c (d+e x)^n\right )^{-1/n}\right ) \operatorname{Subst}\left (\int e^{\frac{x}{n}} (a+b x)^n \, dx,x,\log \left (c (d+e x)^n\right )\right )}{e^4 n}\\ &=\frac{4^{-1-n} e^{-\frac{4 a}{b n}} g^3 (d+e x)^4 \left (c (d+e x)^n\right )^{-4/n} \Gamma \left (1+n,-\frac{4 \left (a+b \log \left (c (d+e x)^n\right )\right )}{b n}\right ) \left (a+b \log \left (c (d+e x)^n\right )\right )^n \left (-\frac{a+b \log \left (c (d+e x)^n\right )}{b n}\right )^{-n}}{e^4}+\frac{3^{-n} e^{-\frac{3 a}{b n}} g^2 (e f-d g) (d+e x)^3 \left (c (d+e x)^n\right )^{-3/n} \Gamma \left (1+n,-\frac{3 \left (a+b \log \left (c (d+e x)^n\right )\right )}{b n}\right ) \left (a+b \log \left (c (d+e x)^n\right )\right )^n \left (-\frac{a+b \log \left (c (d+e x)^n\right )}{b n}\right )^{-n}}{e^4}+\frac{3\ 2^{-1-n} e^{-\frac{2 a}{b n}} g (e f-d g)^2 (d+e x)^2 \left (c (d+e x)^n\right )^{-2/n} \Gamma \left (1+n,-\frac{2 \left (a+b \log \left (c (d+e x)^n\right )\right )}{b n}\right ) \left (a+b \log \left (c (d+e x)^n\right )\right )^n \left (-\frac{a+b \log \left (c (d+e x)^n\right )}{b n}\right )^{-n}}{e^4}+\frac{e^{-\frac{a}{b n}} (e f-d g)^3 (d+e x) \left (c (d+e x)^n\right )^{-1/n} \Gamma \left (1+n,-\frac{a+b \log \left (c (d+e x)^n\right )}{b n}\right ) \left (a+b \log \left (c (d+e x)^n\right )\right )^n \left (-\frac{a+b \log \left (c (d+e x)^n\right )}{b n}\right )^{-n}}{e^4}\\ \end{align*}
Mathematica [A] time = 1.74115, size = 343, normalized size = 0.72 \[ \frac{3^{-n} 4^{-n-1} e^{-\frac{4 a}{b n}} (d+e x) \left (c (d+e x)^n\right )^{-4/n} \left (a+b \log \left (c (d+e x)^n\right )\right )^n \left (-\frac{a+b \log \left (c (d+e x)^n\right )}{b n}\right )^{-n} \left (2^{n+1} e^{\frac{a}{b n}} (e f-d g) \left (c (d+e x)^n\right )^{\frac{1}{n}} \left (3^n e^{\frac{a}{b n}} (e f-d g) \left (c (d+e x)^n\right )^{\frac{1}{n}} \left (2^{n+1} e^{\frac{a}{b n}} (e f-d g) \left (c (d+e x)^n\right )^{\frac{1}{n}} \text{Gamma}\left (n+1,-\frac{a+b \log \left (c (d+e x)^n\right )}{b n}\right )+3 g (d+e x) \text{Gamma}\left (n+1,-\frac{2 \left (a+b \log \left (c (d+e x)^n\right )\right )}{b n}\right )\right )+g^2 2^{n+1} (d+e x)^2 \text{Gamma}\left (n+1,-\frac{3 \left (a+b \log \left (c (d+e x)^n\right )\right )}{b n}\right )\right )+g^3 3^n (d+e x)^3 \text{Gamma}\left (n+1,-\frac{4 \left (a+b \log \left (c (d+e x)^n\right )\right )}{b n}\right )\right )}{e^4} \]
Antiderivative was successfully verified.
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Maple [F] time = 0.938, size = 0, normalized size = 0. \begin{align*} \int \left ( gx+f \right ) ^{3} \left ( a+b\ln \left ( c \left ( ex+d \right ) ^{n} \right ) \right ) ^{n}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: RuntimeError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F] time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left ({\left (g^{3} x^{3} + 3 \, f g^{2} x^{2} + 3 \, f^{2} g x + f^{3}\right )}{\left (b \log \left ({\left (e x + d\right )}^{n} c\right ) + a\right )}^{n}, x\right ) \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 [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int{\left (g x + f\right )}^{3}{\left (b \log \left ({\left (e x + d\right )}^{n} c\right ) + a\right )}^{n}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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