Optimal. Leaf size=94 \[ \frac{12 a^2 x \left (\frac{b x^3}{a}+1\right )^{2/3} \, _2F_1\left (\frac{1}{3},\frac{2}{3};\frac{4}{3};-\frac{b x^3}{a}\right )}{5 \left (a+b x^3\right )^{2/3}}-\frac{6}{5} a x \sqrt [3]{a+b x^3}-\frac{1}{5} x \left (a-b x^3\right ) \sqrt [3]{a+b x^3} \]
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Rubi [A] time = 0.0341232, antiderivative size = 94, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 4, integrand size = 22, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.182, Rules used = {416, 388, 246, 245} \[ \frac{12 a^2 x \left (\frac{b x^3}{a}+1\right )^{2/3} \, _2F_1\left (\frac{1}{3},\frac{2}{3};\frac{4}{3};-\frac{b x^3}{a}\right )}{5 \left (a+b x^3\right )^{2/3}}-\frac{6}{5} a x \sqrt [3]{a+b x^3}-\frac{1}{5} x \left (a-b x^3\right ) \sqrt [3]{a+b x^3} \]
Antiderivative was successfully verified.
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Rule 416
Rule 388
Rule 246
Rule 245
Rubi steps
\begin{align*} \int \frac{\left (a-b x^3\right )^2}{\left (a+b x^3\right )^{2/3}} \, dx &=-\frac{1}{5} x \left (a-b x^3\right ) \sqrt [3]{a+b x^3}+\frac{\int \frac{6 a^2 b-12 a b^2 x^3}{\left (a+b x^3\right )^{2/3}} \, dx}{5 b}\\ &=-\frac{6}{5} a x \sqrt [3]{a+b x^3}-\frac{1}{5} x \left (a-b x^3\right ) \sqrt [3]{a+b x^3}+\frac{1}{5} \left (12 a^2\right ) \int \frac{1}{\left (a+b x^3\right )^{2/3}} \, dx\\ &=-\frac{6}{5} a x \sqrt [3]{a+b x^3}-\frac{1}{5} x \left (a-b x^3\right ) \sqrt [3]{a+b x^3}+\frac{\left (12 a^2 \left (1+\frac{b x^3}{a}\right )^{2/3}\right ) \int \frac{1}{\left (1+\frac{b x^3}{a}\right )^{2/3}} \, dx}{5 \left (a+b x^3\right )^{2/3}}\\ &=-\frac{6}{5} a x \sqrt [3]{a+b x^3}-\frac{1}{5} x \left (a-b x^3\right ) \sqrt [3]{a+b x^3}+\frac{12 a^2 x \left (1+\frac{b x^3}{a}\right )^{2/3} \, _2F_1\left (\frac{1}{3},\frac{2}{3};\frac{4}{3};-\frac{b x^3}{a}\right )}{5 \left (a+b x^3\right )^{2/3}}\\ \end{align*}
Mathematica [A] time = 0.0363123, size = 75, normalized size = 0.8 \[ \frac{12 a^2 x \left (\frac{b x^3}{a}+1\right )^{2/3} \, _2F_1\left (\frac{1}{3},\frac{2}{3};\frac{4}{3};-\frac{b x^3}{a}\right )-7 a^2 x-6 a b x^4+b^2 x^7}{5 \left (a+b x^3\right )^{2/3}} \]
Antiderivative was successfully verified.
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Maple [F] time = 0.233, size = 0, normalized size = 0. \begin{align*} \int{ \left ( -b{x}^{3}+a \right ) ^{2} \left ( b{x}^{3}+a \right ) ^{-{\frac{2}{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 \frac{{\left (b x^{3} - a\right )}^{2}}{{\left (b x^{3} + a\right )}^{\frac{2}{3}}}\,{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 (\frac{b^{2} x^{6} - 2 \, a b x^{3} + a^{2}}{{\left (b x^{3} + a\right )}^{\frac{2}{3}}}, x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [C] time = 3.74243, size = 121, normalized size = 1.29 \begin{align*} \frac{a^{\frac{4}{3}} x \Gamma \left (\frac{1}{3}\right ){{}_{2}F_{1}\left (\begin{matrix} \frac{1}{3}, \frac{2}{3} \\ \frac{4}{3} \end{matrix}\middle |{\frac{b x^{3} e^{i \pi }}{a}} \right )}}{3 \Gamma \left (\frac{4}{3}\right )} - \frac{2 \sqrt [3]{a} b x^{4} \Gamma \left (\frac{4}{3}\right ){{}_{2}F_{1}\left (\begin{matrix} \frac{2}{3}, \frac{4}{3} \\ \frac{7}{3} \end{matrix}\middle |{\frac{b x^{3} e^{i \pi }}{a}} \right )}}{3 \Gamma \left (\frac{7}{3}\right )} + \frac{b^{2} x^{7} \Gamma \left (\frac{7}{3}\right ){{}_{2}F_{1}\left (\begin{matrix} \frac{2}{3}, \frac{7}{3} \\ \frac{10}{3} \end{matrix}\middle |{\frac{b x^{3} e^{i \pi }}{a}} \right )}}{3 a^{\frac{2}{3}} \Gamma \left (\frac{10}{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 \frac{{\left (b x^{3} - a\right )}^{2}}{{\left (b x^{3} + a\right )}^{\frac{2}{3}}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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