Optimal. Leaf size=56 \[ \frac{(c x)^{3 n+1} \left (a+b x^n\right )^{p+1} \, _2F_1\left (1,p+\frac{1}{n}+4;4+\frac{1}{n};-\frac{b x^n}{a}\right )}{a c (3 n+1)} \]
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Rubi [A] time = 0.0247784, antiderivative size = 66, normalized size of antiderivative = 1.18, number of steps used = 2, number of rules used = 2, integrand size = 17, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.118, Rules used = {365, 364} \[ \frac{(c x)^{3 n+1} \left (a+b x^n\right )^p \left (\frac{b x^n}{a}+1\right )^{-p} \, _2F_1\left (3+\frac{1}{n},-p;4+\frac{1}{n};-\frac{b x^n}{a}\right )}{c (3 n+1)} \]
Antiderivative was successfully verified.
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Rule 365
Rule 364
Rubi steps
\begin{align*} \int (c x)^{3 n} \left (a+b x^n\right )^p \, dx &=\left (\left (a+b x^n\right )^p \left (1+\frac{b x^n}{a}\right )^{-p}\right ) \int (c x)^{3 n} \left (1+\frac{b x^n}{a}\right )^p \, dx\\ &=\frac{(c x)^{1+3 n} \left (a+b x^n\right )^p \left (1+\frac{b x^n}{a}\right )^{-p} \, _2F_1\left (3+\frac{1}{n},-p;4+\frac{1}{n};-\frac{b x^n}{a}\right )}{c (1+3 n)}\\ \end{align*}
Mathematica [A] time = 0.0149346, size = 62, normalized size = 1.11 \[ \frac{x (c x)^{3 n} \left (a+b x^n\right )^p \left (\frac{b x^n}{a}+1\right )^{-p} \, _2F_1\left (3+\frac{1}{n},-p;4+\frac{1}{n};-\frac{b x^n}{a}\right )}{3 n+1} \]
Antiderivative was successfully verified.
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Maple [F] time = 0.076, size = 0, normalized size = 0. \begin{align*} \int \left ( cx \right ) ^{3\,n} \left ( a+b{x}^{n} \right ) ^{p}\, dx \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{\left (b x^{n} + a\right )}^{p} \left (c x\right )^{3 \, n}\,{d x} \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 (b x^{n} + a\right )}^{p} \left (c x\right )^{3 \, n}, x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [C] time = 9.69946, size = 51, normalized size = 0.91 \begin{align*} \frac{a^{p} c^{3 n} x x^{3 n} \Gamma \left (3 + \frac{1}{n}\right ){{}_{2}F_{1}\left (\begin{matrix} - p, 3 + \frac{1}{n} \\ 4 + \frac{1}{n} \end{matrix}\middle |{\frac{b x^{n} e^{i \pi }}{a}} \right )}}{n \Gamma \left (4 + \frac{1}{n}\right )} \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 (b x^{n} + a\right )}^{p} \left (c x\right )^{3 \, n}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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