Optimal. Leaf size=18 \[ \frac{\left (a+b x^3\right )^{4/3}}{4 b} \]
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Rubi [A] time = 0.0037848, antiderivative size = 18, normalized size of antiderivative = 1., number of steps used = 1, number of rules used = 1, integrand size = 15, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.067, Rules used = {261} \[ \frac{\left (a+b x^3\right )^{4/3}}{4 b} \]
Antiderivative was successfully verified.
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Rule 261
Rubi steps
\begin{align*} \int x^2 \sqrt [3]{a+b x^3} \, dx &=\frac{\left (a+b x^3\right )^{4/3}}{4 b}\\ \end{align*}
Mathematica [A] time = 0.0032137, size = 18, normalized size = 1. \[ \frac{\left (a+b x^3\right )^{4/3}}{4 b} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.003, size = 15, normalized size = 0.8 \begin{align*}{\frac{1}{4\,b} \left ( b{x}^{3}+a \right ) ^{{\frac{4}{3}}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.01105, size = 19, normalized size = 1.06 \begin{align*} \frac{{\left (b x^{3} + a\right )}^{\frac{4}{3}}}{4 \, b} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.58804, size = 34, normalized size = 1.89 \begin{align*} \frac{{\left (b x^{3} + a\right )}^{\frac{4}{3}}}{4 \, b} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 0.303816, size = 39, normalized size = 2.17 \begin{align*} \begin{cases} \frac{a \sqrt [3]{a + b x^{3}}}{4 b} + \frac{x^{3} \sqrt [3]{a + b x^{3}}}{4} & \text{for}\: b \neq 0 \\\frac{\sqrt [3]{a} x^{3}}{3} & \text{otherwise} \end{cases} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.13198, size = 19, normalized size = 1.06 \begin{align*} \frac{{\left (b x^{3} + a\right )}^{\frac{4}{3}}}{4 \, b} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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