Optimal. Leaf size=53 \[ \frac{3 a^2 (a+b x)^{7/3}}{7 b^3}+\frac{3 (a+b x)^{13/3}}{13 b^3}-\frac{3 a (a+b x)^{10/3}}{5 b^3} \]
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Rubi [A] time = 0.0128579, antiderivative size = 53, 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 = {43} \[ \frac{3 a^2 (a+b x)^{7/3}}{7 b^3}+\frac{3 (a+b x)^{13/3}}{13 b^3}-\frac{3 a (a+b x)^{10/3}}{5 b^3} \]
Antiderivative was successfully verified.
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Rule 43
Rubi steps
\begin{align*} \int x^2 (a+b x)^{4/3} \, dx &=\int \left (\frac{a^2 (a+b x)^{4/3}}{b^2}-\frac{2 a (a+b x)^{7/3}}{b^2}+\frac{(a+b x)^{10/3}}{b^2}\right ) \, dx\\ &=\frac{3 a^2 (a+b x)^{7/3}}{7 b^3}-\frac{3 a (a+b x)^{10/3}}{5 b^3}+\frac{3 (a+b x)^{13/3}}{13 b^3}\\ \end{align*}
Mathematica [A] time = 0.0457376, size = 35, normalized size = 0.66 \[ \frac{3 (a+b x)^{7/3} \left (9 a^2-21 a b x+35 b^2 x^2\right )}{455 b^3} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.004, size = 32, normalized size = 0.6 \begin{align*}{\frac{105\,{b}^{2}{x}^{2}-63\,abx+27\,{a}^{2}}{455\,{b}^{3}} \left ( bx+a \right ) ^{{\frac{7}{3}}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.01368, size = 55, normalized size = 1.04 \begin{align*} \frac{3 \,{\left (b x + a\right )}^{\frac{13}{3}}}{13 \, b^{3}} - \frac{3 \,{\left (b x + a\right )}^{\frac{10}{3}} a}{5 \, b^{3}} + \frac{3 \,{\left (b x + a\right )}^{\frac{7}{3}} a^{2}}{7 \, b^{3}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.47854, size = 123, normalized size = 2.32 \begin{align*} \frac{3 \,{\left (35 \, b^{4} x^{4} + 49 \, a b^{3} x^{3} + 2 \, a^{2} b^{2} x^{2} - 3 \, a^{3} b x + 9 \, a^{4}\right )}{\left (b x + a\right )}^{\frac{1}{3}}}{455 \, b^{3}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [B] time = 2.97957, size = 733, normalized size = 13.83 \begin{align*} \frac{27 a^{\frac{37}{3}} \sqrt [3]{1 + \frac{b x}{a}}}{455 a^{8} b^{3} + 1365 a^{7} b^{4} x + 1365 a^{6} b^{5} x^{2} + 455 a^{5} b^{6} x^{3}} - \frac{27 a^{\frac{37}{3}}}{455 a^{8} b^{3} + 1365 a^{7} b^{4} x + 1365 a^{6} b^{5} x^{2} + 455 a^{5} b^{6} x^{3}} + \frac{72 a^{\frac{34}{3}} b x \sqrt [3]{1 + \frac{b x}{a}}}{455 a^{8} b^{3} + 1365 a^{7} b^{4} x + 1365 a^{6} b^{5} x^{2} + 455 a^{5} b^{6} x^{3}} - \frac{81 a^{\frac{34}{3}} b x}{455 a^{8} b^{3} + 1365 a^{7} b^{4} x + 1365 a^{6} b^{5} x^{2} + 455 a^{5} b^{6} x^{3}} + \frac{60 a^{\frac{31}{3}} b^{2} x^{2} \sqrt [3]{1 + \frac{b x}{a}}}{455 a^{8} b^{3} + 1365 a^{7} b^{4} x + 1365 a^{6} b^{5} x^{2} + 455 a^{5} b^{6} x^{3}} - \frac{81 a^{\frac{31}{3}} b^{2} x^{2}}{455 a^{8} b^{3} + 1365 a^{7} b^{4} x + 1365 a^{6} b^{5} x^{2} + 455 a^{5} b^{6} x^{3}} + \frac{165 a^{\frac{28}{3}} b^{3} x^{3} \sqrt [3]{1 + \frac{b x}{a}}}{455 a^{8} b^{3} + 1365 a^{7} b^{4} x + 1365 a^{6} b^{5} x^{2} + 455 a^{5} b^{6} x^{3}} - \frac{27 a^{\frac{28}{3}} b^{3} x^{3}}{455 a^{8} b^{3} + 1365 a^{7} b^{4} x + 1365 a^{6} b^{5} x^{2} + 455 a^{5} b^{6} x^{3}} + \frac{555 a^{\frac{25}{3}} b^{4} x^{4} \sqrt [3]{1 + \frac{b x}{a}}}{455 a^{8} b^{3} + 1365 a^{7} b^{4} x + 1365 a^{6} b^{5} x^{2} + 455 a^{5} b^{6} x^{3}} + \frac{762 a^{\frac{22}{3}} b^{5} x^{5} \sqrt [3]{1 + \frac{b x}{a}}}{455 a^{8} b^{3} + 1365 a^{7} b^{4} x + 1365 a^{6} b^{5} x^{2} + 455 a^{5} b^{6} x^{3}} + \frac{462 a^{\frac{19}{3}} b^{6} x^{6} \sqrt [3]{1 + \frac{b x}{a}}}{455 a^{8} b^{3} + 1365 a^{7} b^{4} x + 1365 a^{6} b^{5} x^{2} + 455 a^{5} b^{6} x^{3}} + \frac{105 a^{\frac{16}{3}} b^{7} x^{7} \sqrt [3]{1 + \frac{b x}{a}}}{455 a^{8} b^{3} + 1365 a^{7} b^{4} x + 1365 a^{6} b^{5} x^{2} + 455 a^{5} b^{6} x^{3}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] time = 1.18807, size = 124, normalized size = 2.34 \begin{align*} \frac{3 \,{\left (\frac{13 \,{\left (14 \,{\left (b x + a\right )}^{\frac{10}{3}} - 40 \,{\left (b x + a\right )}^{\frac{7}{3}} a + 35 \,{\left (b x + a\right )}^{\frac{4}{3}} a^{2}\right )} a}{b^{2}} + \frac{140 \,{\left (b x + a\right )}^{\frac{13}{3}} - 546 \,{\left (b x + a\right )}^{\frac{10}{3}} a + 780 \,{\left (b x + a\right )}^{\frac{7}{3}} a^{2} - 455 \,{\left (b x + a\right )}^{\frac{4}{3}} a^{3}}{b^{2}}\right )}}{1820 \, b} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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