Optimal. Leaf size=30 \[ \frac{a^2 x^2}{2}+\frac{1}{2} a b x^4+\frac{b^2 x^6}{6} \]
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Rubi [A] time = 0.0094222, antiderivative size = 30, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 1, integrand size = 20, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.05, Rules used = {14} \[ \frac{a^2 x^2}{2}+\frac{1}{2} a b x^4+\frac{b^2 x^6}{6} \]
Antiderivative was successfully verified.
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Rule 14
Rubi steps
\begin{align*} \int x \left (a^2+2 a b x^2+b^2 x^4\right ) \, dx &=\int \left (a^2 x+2 a b x^3+b^2 x^5\right ) \, dx\\ &=\frac{a^2 x^2}{2}+\frac{1}{2} a b x^4+\frac{b^2 x^6}{6}\\ \end{align*}
Mathematica [A] time = 0.0018107, size = 16, normalized size = 0.53 \[ \frac{\left (a+b x^2\right )^3}{6 b} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.041, size = 25, normalized size = 0.8 \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 = 0.992762, size = 32, normalized size = 1.07 \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 = 1.2158, size = 55, normalized size = 1.83 \begin{align*} \frac{1}{6} x^{6} b^{2} + \frac{1}{2} x^{4} b a + \frac{1}{2} x^{2} a^{2} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 0.061395, size = 24, normalized size = 0.8 \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 = 1.18048, size = 32, normalized size = 1.07 \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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