Optimal. Leaf size=17 \[ \frac{a x^5}{5}+\frac{b x^9}{9} \]
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Rubi [A] time = 0.0052259, 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} \[ \frac{a x^5}{5}+\frac{b x^9}{9} \]
Antiderivative was successfully verified.
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Rule 14
Rubi steps
\begin{align*} \int x^4 \left (a+b x^4\right ) \, dx &=\int \left (a x^4+b x^8\right ) \, dx\\ &=\frac{a x^5}{5}+\frac{b x^9}{9}\\ \end{align*}
Mathematica [A] time = 0.0010005, size = 17, normalized size = 1. \[ \frac{a x^5}{5}+\frac{b x^9}{9} \]
Antiderivative was successfully verified.
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Maple [A] time = 0., size = 14, normalized size = 0.8 \begin{align*}{\frac{a{x}^{5}}{5}}+{\frac{b{x}^{9}}{9}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 0.983462, size = 18, normalized size = 1.06 \begin{align*} \frac{1}{9} \, b x^{9} + \frac{1}{5} \, a x^{5} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.27614, size = 31, normalized size = 1.82 \begin{align*} \frac{1}{9} x^{9} b + \frac{1}{5} x^{5} a \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 0.059591, size = 12, normalized size = 0.71 \begin{align*} \frac{a x^{5}}{5} + \frac{b x^{9}}{9} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.08069, size = 18, normalized size = 1.06 \begin{align*} \frac{1}{9} \, b x^{9} + \frac{1}{5} \, a x^{5} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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