Optimal. Leaf size=51 \[ \frac {3}{5} a^3 x^{5/3}+\frac {9}{8} a^2 b x^{8/3}+\frac {9}{11} a b^2 x^{11/3}+\frac {3}{14} b^3 x^{14/3} \]
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Rubi [A] time = 0.01, antiderivative size = 51, normalized size of antiderivative = 1.00, 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 = {43} \[ \frac {9}{8} a^2 b x^{8/3}+\frac {3}{5} a^3 x^{5/3}+\frac {9}{11} a b^2 x^{11/3}+\frac {3}{14} b^3 x^{14/3} \]
Antiderivative was successfully verified.
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Rule 43
Rubi steps
\begin {align*} \int x^{2/3} (a+b x)^3 \, dx &=\int \left (a^3 x^{2/3}+3 a^2 b x^{5/3}+3 a b^2 x^{8/3}+b^3 x^{11/3}\right ) \, dx\\ &=\frac {3}{5} a^3 x^{5/3}+\frac {9}{8} a^2 b x^{8/3}+\frac {9}{11} a b^2 x^{11/3}+\frac {3}{14} b^3 x^{14/3}\\ \end {align*}
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Mathematica [A] time = 0.01, size = 39, normalized size = 0.76 \[ \frac {3 x^{5/3} \left (616 a^3+1155 a^2 b x+840 a b^2 x^2+220 b^3 x^3\right )}{3080} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.46, size = 38, normalized size = 0.75 \[ \frac {3}{3080} \, {\left (220 \, b^{3} x^{4} + 840 \, a b^{2} x^{3} + 1155 \, a^{2} b x^{2} + 616 \, a^{3} x\right )} x^{\frac {2}{3}} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 1.07, size = 35, normalized size = 0.69 \[ \frac {3}{14} \, b^{3} x^{\frac {14}{3}} + \frac {9}{11} \, a b^{2} x^{\frac {11}{3}} + \frac {9}{8} \, a^{2} b x^{\frac {8}{3}} + \frac {3}{5} \, a^{3} x^{\frac {5}{3}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.01, size = 36, normalized size = 0.71 \[ \frac {3 \left (220 b^{3} x^{3}+840 a \,b^{2} x^{2}+1155 a^{2} b x +616 a^{3}\right ) x^{\frac {5}{3}}}{3080} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 1.34, size = 35, normalized size = 0.69 \[ \frac {3}{14} \, b^{3} x^{\frac {14}{3}} + \frac {9}{11} \, a b^{2} x^{\frac {11}{3}} + \frac {9}{8} \, a^{2} b x^{\frac {8}{3}} + \frac {3}{5} \, a^{3} x^{\frac {5}{3}} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.04, size = 35, normalized size = 0.69 \[ \frac {3\,a^3\,x^{5/3}}{5}+\frac {3\,b^3\,x^{14/3}}{14}+\frac {9\,a^2\,b\,x^{8/3}}{8}+\frac {9\,a\,b^2\,x^{11/3}}{11} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 2.19, size = 49, normalized size = 0.96 \[ \frac {3 a^{3} x^{\frac {5}{3}}}{5} + \frac {9 a^{2} b x^{\frac {8}{3}}}{8} + \frac {9 a b^{2} x^{\frac {11}{3}}}{11} + \frac {3 b^{3} x^{\frac {14}{3}}}{14} \]
Verification of antiderivative is not currently implemented for this CAS.
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