Optimal. Leaf size=21 \[ \frac{2}{9} a x^{9/2}+\frac{2}{13} b x^{13/2} \]
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Rubi [A] time = 0.0043362, antiderivative size = 21, 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 = {14} \[ \frac{2}{9} a x^{9/2}+\frac{2}{13} b x^{13/2} \]
Antiderivative was successfully verified.
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Rule 14
Rubi steps
\begin{align*} \int x^{7/2} \left (a+b x^2\right ) \, dx &=\int \left (a x^{7/2}+b x^{11/2}\right ) \, dx\\ &=\frac{2}{9} a x^{9/2}+\frac{2}{13} b x^{13/2}\\ \end{align*}
Mathematica [A] time = 0.0049709, size = 21, normalized size = 1. \[ \frac{2}{9} a x^{9/2}+\frac{2}{13} b x^{13/2} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.003, size = 16, normalized size = 0.8 \begin{align*}{\frac{18\,b{x}^{2}+26\,a}{117}{x}^{{\frac{9}{2}}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 2.0432, size = 18, normalized size = 0.86 \begin{align*} \frac{2}{13} \, b x^{\frac{13}{2}} + \frac{2}{9} \, a x^{\frac{9}{2}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.46267, size = 49, normalized size = 2.33 \begin{align*} \frac{2}{117} \,{\left (9 \, b x^{6} + 13 \, a x^{4}\right )} \sqrt{x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 5.79703, size = 19, normalized size = 0.9 \begin{align*} \frac{2 a x^{\frac{9}{2}}}{9} + \frac{2 b x^{\frac{13}{2}}}{13} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 2.72801, size = 18, normalized size = 0.86 \begin{align*} \frac{2}{13} \, b x^{\frac{13}{2}} + \frac{2}{9} \, a x^{\frac{9}{2}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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