Optimal. Leaf size=69 \[ \frac{a \sqrt [3]{a+b x^3} (c x)^{m+1} \, _2F_1\left (-\frac{4}{3},\frac{m+1}{3};\frac{m+4}{3};-\frac{b x^3}{a}\right )}{c (m+1) \sqrt [3]{\frac{b x^3}{a}+1}} \]
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Rubi [A] time = 0.0229611, antiderivative size = 69, normalized size of antiderivative = 1., 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} \[ \frac{a \sqrt [3]{a+b x^3} (c x)^{m+1} \, _2F_1\left (-\frac{4}{3},\frac{m+1}{3};\frac{m+4}{3};-\frac{b x^3}{a}\right )}{c (m+1) \sqrt [3]{\frac{b x^3}{a}+1}} \]
Antiderivative was successfully verified.
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Rule 365
Rule 364
Rubi steps
\begin{align*} \int (c x)^m \left (a+b x^3\right )^{4/3} \, dx &=\frac{\left (a \sqrt [3]{a+b x^3}\right ) \int (c x)^m \left (1+\frac{b x^3}{a}\right )^{4/3} \, dx}{\sqrt [3]{1+\frac{b x^3}{a}}}\\ &=\frac{a (c x)^{1+m} \sqrt [3]{a+b x^3} \, _2F_1\left (-\frac{4}{3},\frac{1+m}{3};\frac{4+m}{3};-\frac{b x^3}{a}\right )}{c (1+m) \sqrt [3]{1+\frac{b x^3}{a}}}\\ \end{align*}
Mathematica [A] time = 0.0214907, size = 67, normalized size = 0.97 \[ \frac{a x \sqrt [3]{a+b x^3} (c x)^m \, _2F_1\left (-\frac{4}{3},\frac{m+1}{3};\frac{m+1}{3}+1;-\frac{b x^3}{a}\right )}{(m+1) \sqrt [3]{\frac{b x^3}{a}+1}} \]
Antiderivative was successfully verified.
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Maple [F] time = 0.027, size = 0, normalized size = 0. \begin{align*} \int \left ( cx \right ) ^{m} \left ( b{x}^{3}+a \right ) ^{{\frac{4}{3}}}\, 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^{3} + a\right )}^{\frac{4}{3}} \left (c x\right )^{m}\,{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^{3} + a\right )}^{\frac{4}{3}} \left (c x\right )^{m}, x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [C] time = 43.2877, size = 58, normalized size = 0.84 \begin{align*} \frac{a^{\frac{4}{3}} c^{m} x x^{m} \Gamma \left (\frac{m}{3} + \frac{1}{3}\right ){{}_{2}F_{1}\left (\begin{matrix} - \frac{4}{3}, \frac{m}{3} + \frac{1}{3} \\ \frac{m}{3} + \frac{4}{3} \end{matrix}\middle |{\frac{b x^{3} e^{i \pi }}{a}} \right )}}{3 \Gamma \left (\frac{m}{3} + \frac{4}{3}\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^{3} + a\right )}^{\frac{4}{3}} \left (c x\right )^{m}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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