Optimal. Leaf size=43 \[ \frac{3}{4} a^2 b x^4+\frac{a^3 x^3}{3}+\frac{3}{5} a b^2 x^5+\frac{b^3 x^6}{6} \]
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Rubi [A] time = 0.0146646, antiderivative size = 43, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 1, integrand size = 11, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.091, Rules used = {43} \[ \frac{3}{4} a^2 b x^4+\frac{a^3 x^3}{3}+\frac{3}{5} a b^2 x^5+\frac{b^3 x^6}{6} \]
Antiderivative was successfully verified.
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Rule 43
Rubi steps
\begin{align*} \int x^2 (a+b x)^3 \, dx &=\int \left (a^3 x^2+3 a^2 b x^3+3 a b^2 x^4+b^3 x^5\right ) \, dx\\ &=\frac{a^3 x^3}{3}+\frac{3}{4} a^2 b x^4+\frac{3}{5} a b^2 x^5+\frac{b^3 x^6}{6}\\ \end{align*}
Mathematica [A] time = 0.0017854, size = 43, normalized size = 1. \[ \frac{3}{4} a^2 b x^4+\frac{a^3 x^3}{3}+\frac{3}{5} a b^2 x^5+\frac{b^3 x^6}{6} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.001, size = 36, normalized size = 0.8 \begin{align*}{\frac{{a}^{3}{x}^{3}}{3}}+{\frac{3\,{a}^{2}b{x}^{4}}{4}}+{\frac{3\,a{b}^{2}{x}^{5}}{5}}+{\frac{{b}^{3}{x}^{6}}{6}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.03505, size = 47, normalized size = 1.09 \begin{align*} \frac{1}{6} \, b^{3} x^{6} + \frac{3}{5} \, a b^{2} x^{5} + \frac{3}{4} \, a^{2} b x^{4} + \frac{1}{3} \, a^{3} x^{3} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.36393, size = 80, normalized size = 1.86 \begin{align*} \frac{1}{6} x^{6} b^{3} + \frac{3}{5} x^{5} b^{2} a + \frac{3}{4} x^{4} b a^{2} + \frac{1}{3} x^{3} a^{3} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 0.067495, size = 39, normalized size = 0.91 \begin{align*} \frac{a^{3} x^{3}}{3} + \frac{3 a^{2} b x^{4}}{4} + \frac{3 a b^{2} x^{5}}{5} + \frac{b^{3} x^{6}}{6} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.16336, size = 47, normalized size = 1.09 \begin{align*} \frac{1}{6} \, b^{3} x^{6} + \frac{3}{5} \, a b^{2} x^{5} + \frac{3}{4} \, a^{2} b x^{4} + \frac{1}{3} \, a^{3} x^{3} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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