Optimal. Leaf size=17 \[ \frac{a x^4}{4}+\frac{b x^2}{2} \]
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Rubi [A] time = 0.0045587, antiderivative size = 17, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 1, integrand size = 11, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.091, Rules used = {14} \[ \frac{a x^4}{4}+\frac{b x^2}{2} \]
Antiderivative was successfully verified.
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Rule 14
Rubi steps
\begin{align*} \int \left (a+\frac{b}{x^2}\right ) x^3 \, dx &=\int \left (b x+a x^3\right ) \, dx\\ &=\frac{b x^2}{2}+\frac{a x^4}{4}\\ \end{align*}
Mathematica [A] time = 0.0009498, size = 17, normalized size = 1. \[ \frac{a x^4}{4}+\frac{b x^2}{2} \]
Antiderivative was successfully verified.
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Maple [A] time = 0., size = 14, normalized size = 0.8 \begin{align*}{\frac{b{x}^{2}}{2}}+{\frac{a{x}^{4}}{4}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 0.950609, size = 18, normalized size = 1.06 \begin{align*} \frac{1}{4} \, a x^{4} + \frac{1}{2} \, b x^{2} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.37498, size = 31, normalized size = 1.82 \begin{align*} \frac{1}{4} \, a x^{4} + \frac{1}{2} \, b x^{2} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 0.054884, size = 12, normalized size = 0.71 \begin{align*} \frac{a x^{4}}{4} + \frac{b x^{2}}{2} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.16419, size = 18, normalized size = 1.06 \begin{align*} \frac{1}{4} \, a x^{4} + \frac{1}{2} \, b x^{2} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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