Optimal. Leaf size=58 \[ \frac{a^2 (c x)^{m+1}}{c (m+1)}+\frac{2 a b (c x)^{m+4}}{c^4 (m+4)}+\frac{b^2 (c x)^{m+7}}{c^7 (m+7)} \]
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Rubi [A] time = 0.0298515, antiderivative size = 58, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 1, integrand size = 15, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.067, Rules used = {270} \[ \frac{a^2 (c x)^{m+1}}{c (m+1)}+\frac{2 a b (c x)^{m+4}}{c^4 (m+4)}+\frac{b^2 (c x)^{m+7}}{c^7 (m+7)} \]
Antiderivative was successfully verified.
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Rule 270
Rubi steps
\begin{align*} \int (c x)^m \left (a+b x^3\right )^2 \, dx &=\int \left (a^2 (c x)^m+\frac{2 a b (c x)^{3+m}}{c^3}+\frac{b^2 (c x)^{6+m}}{c^6}\right ) \, dx\\ &=\frac{a^2 (c x)^{1+m}}{c (1+m)}+\frac{2 a b (c x)^{4+m}}{c^4 (4+m)}+\frac{b^2 (c x)^{7+m}}{c^7 (7+m)}\\ \end{align*}
Mathematica [A] time = 0.0283439, size = 41, normalized size = 0.71 \[ x (c x)^m \left (\frac{a^2}{m+1}+\frac{2 a b x^3}{m+4}+\frac{b^2 x^6}{m+7}\right ) \]
Antiderivative was successfully verified.
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Maple [A] time = 0.006, size = 94, normalized size = 1.6 \begin{align*}{\frac{ \left ({b}^{2}{m}^{2}{x}^{6}+5\,{b}^{2}m{x}^{6}+4\,{b}^{2}{x}^{6}+2\,ab{m}^{2}{x}^{3}+16\,abm{x}^{3}+14\,{x}^{3}ab+{a}^{2}{m}^{2}+11\,m{a}^{2}+28\,{a}^{2} \right ) x \left ( cx \right ) ^{m}}{ \left ( 7+m \right ) \left ( 4+m \right ) \left ( 1+m \right ) }} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: ValueError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.2982, size = 189, normalized size = 3.26 \begin{align*} \frac{{\left ({\left (b^{2} m^{2} + 5 \, b^{2} m + 4 \, b^{2}\right )} x^{7} + 2 \,{\left (a b m^{2} + 8 \, a b m + 7 \, a b\right )} x^{4} +{\left (a^{2} m^{2} + 11 \, a^{2} m + 28 \, a^{2}\right )} x\right )} \left (c x\right )^{m}}{m^{3} + 12 \, m^{2} + 39 \, m + 28} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 1.31026, size = 352, normalized size = 6.07 \begin{align*} \begin{cases} \frac{- \frac{a^{2}}{6 x^{6}} - \frac{2 a b}{3 x^{3}} + b^{2} \log{\left (x \right )}}{c^{7}} & \text{for}\: m = -7 \\\frac{- \frac{a^{2}}{3 x^{3}} + 2 a b \log{\left (x \right )} + \frac{b^{2} x^{3}}{3}}{c^{4}} & \text{for}\: m = -4 \\\frac{a^{2} \log{\left (x \right )} + \frac{2 a b x^{3}}{3} + \frac{b^{2} x^{6}}{6}}{c} & \text{for}\: m = -1 \\\frac{a^{2} c^{m} m^{2} x x^{m}}{m^{3} + 12 m^{2} + 39 m + 28} + \frac{11 a^{2} c^{m} m x x^{m}}{m^{3} + 12 m^{2} + 39 m + 28} + \frac{28 a^{2} c^{m} x x^{m}}{m^{3} + 12 m^{2} + 39 m + 28} + \frac{2 a b c^{m} m^{2} x^{4} x^{m}}{m^{3} + 12 m^{2} + 39 m + 28} + \frac{16 a b c^{m} m x^{4} x^{m}}{m^{3} + 12 m^{2} + 39 m + 28} + \frac{14 a b c^{m} x^{4} x^{m}}{m^{3} + 12 m^{2} + 39 m + 28} + \frac{b^{2} c^{m} m^{2} x^{7} x^{m}}{m^{3} + 12 m^{2} + 39 m + 28} + \frac{5 b^{2} c^{m} m x^{7} x^{m}}{m^{3} + 12 m^{2} + 39 m + 28} + \frac{4 b^{2} c^{m} x^{7} x^{m}}{m^{3} + 12 m^{2} + 39 m + 28} & \text{otherwise} \end{cases} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] time = 1.14797, size = 182, normalized size = 3.14 \begin{align*} \frac{\left (c x\right )^{m} b^{2} m^{2} x^{7} + 5 \, \left (c x\right )^{m} b^{2} m x^{7} + 4 \, \left (c x\right )^{m} b^{2} x^{7} + 2 \, \left (c x\right )^{m} a b m^{2} x^{4} + 16 \, \left (c x\right )^{m} a b m x^{4} + 14 \, \left (c x\right )^{m} a b x^{4} + \left (c x\right )^{m} a^{2} m^{2} x + 11 \, \left (c x\right )^{m} a^{2} m x + 28 \, \left (c x\right )^{m} a^{2} x}{m^{3} + 12 \, m^{2} + 39 \, m + 28} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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