Optimal. Leaf size=16 \[ \frac{\left (a+b x^2\right )^3}{6 b} \]
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Rubi [A] time = 0.0070228, antiderivative size = 16, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 2, integrand size = 15, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.133, Rules used = {1584, 261} \[ \frac{\left (a+b x^2\right )^3}{6 b} \]
Antiderivative was successfully verified.
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Rule 1584
Rule 261
Rubi steps
\begin{align*} \int \frac{\left (a x+b x^3\right )^2}{x} \, dx &=\int x \left (a+b x^2\right )^2 \, dx\\ &=\frac{\left (a+b x^2\right )^3}{6 b}\\ \end{align*}
Mathematica [A] time = 0.0016032, size = 16, normalized size = 1. \[ \frac{\left (a+b x^2\right )^3}{6 b} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.002, size = 25, normalized size = 1.6 \begin{align*}{\frac{{b}^{2}{x}^{6}}{6}}+{\frac{ab{x}^{4}}{2}}+{\frac{{a}^{2}{x}^{2}}{2}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.10286, size = 32, normalized size = 2. \begin{align*} \frac{1}{6} \, b^{2} x^{6} + \frac{1}{2} \, a b x^{4} + \frac{1}{2} \, a^{2} x^{2} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.34173, size = 55, normalized size = 3.44 \begin{align*} \frac{1}{6} \, b^{2} x^{6} + \frac{1}{2} \, a b x^{4} + \frac{1}{2} \, a^{2} x^{2} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [B] time = 0.067713, size = 24, normalized size = 1.5 \begin{align*} \frac{a^{2} x^{2}}{2} + \frac{a b x^{4}}{2} + \frac{b^{2} x^{6}}{6} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.17046, size = 32, normalized size = 2. \begin{align*} \frac{1}{6} \, b^{2} x^{6} + \frac{1}{2} \, a b x^{4} + \frac{1}{2} \, a^{2} x^{2} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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