Optimal. Leaf size=41 \[ \frac{3}{2} a^2 b x^2-\frac{a^3}{x}+\frac{3}{5} a b^2 x^5+\frac{b^3 x^8}{8} \]
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Rubi [A] time = 0.0137518, antiderivative size = 41, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 1, integrand size = 13, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.077, Rules used = {270} \[ \frac{3}{2} a^2 b x^2-\frac{a^3}{x}+\frac{3}{5} a b^2 x^5+\frac{b^3 x^8}{8} \]
Antiderivative was successfully verified.
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Rule 270
Rubi steps
\begin{align*} \int \frac{\left (a+b x^3\right )^3}{x^2} \, dx &=\int \left (\frac{a^3}{x^2}+3 a^2 b x+3 a b^2 x^4+b^3 x^7\right ) \, dx\\ &=-\frac{a^3}{x}+\frac{3}{2} a^2 b x^2+\frac{3}{5} a b^2 x^5+\frac{b^3 x^8}{8}\\ \end{align*}
Mathematica [A] time = 0.0035876, size = 41, normalized size = 1. \[ \frac{3}{2} a^2 b x^2-\frac{a^3}{x}+\frac{3}{5} a b^2 x^5+\frac{b^3 x^8}{8} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.003, size = 36, normalized size = 0.9 \begin{align*} -{\frac{{a}^{3}}{x}}+{\frac{3\,{a}^{2}b{x}^{2}}{2}}+{\frac{3\,{x}^{5}a{b}^{2}}{5}}+{\frac{{b}^{3}{x}^{8}}{8}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 0.977069, size = 47, normalized size = 1.15 \begin{align*} \frac{1}{8} \, b^{3} x^{8} + \frac{3}{5} \, a b^{2} x^{5} + \frac{3}{2} \, a^{2} b x^{2} - \frac{a^{3}}{x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.60814, size = 80, normalized size = 1.95 \begin{align*} \frac{5 \, b^{3} x^{9} + 24 \, a b^{2} x^{6} + 60 \, a^{2} b x^{3} - 40 \, a^{3}}{40 \, x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 0.348536, size = 36, normalized size = 0.88 \begin{align*} - \frac{a^{3}}{x} + \frac{3 a^{2} b x^{2}}{2} + \frac{3 a b^{2} x^{5}}{5} + \frac{b^{3} x^{8}}{8} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.09239, size = 47, normalized size = 1.15 \begin{align*} \frac{1}{8} \, b^{3} x^{8} + \frac{3}{5} \, a b^{2} x^{5} + \frac{3}{2} \, a^{2} b x^{2} - \frac{a^{3}}{x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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