Optimal. Leaf size=17 \[ \frac{a x^4}{4}+\frac{b x^5}{5} \]
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Rubi [A] time = 0.0081869, antiderivative size = 17, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 1, integrand size = 9, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.111, Rules used = {43} \[ \frac{a x^4}{4}+\frac{b x^5}{5} \]
Antiderivative was successfully verified.
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Rule 43
Rubi steps
\begin{align*} \int x^3 (a+b x) \, dx &=\int \left (a x^3+b x^4\right ) \, dx\\ &=\frac{a x^4}{4}+\frac{b x^5}{5}\\ \end{align*}
Mathematica [A] time = 0.0010632, size = 17, normalized size = 1. \[ \frac{a x^4}{4}+\frac{b x^5}{5} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.001, size = 14, normalized size = 0.8 \begin{align*}{\frac{a{x}^{4}}{4}}+{\frac{b{x}^{5}}{5}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.04301, size = 18, normalized size = 1.06 \begin{align*} \frac{1}{5} \, b x^{5} + \frac{1}{4} \, a x^{4} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.40915, size = 31, normalized size = 1.82 \begin{align*} \frac{1}{5} x^{5} b + \frac{1}{4} x^{4} a \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 0.08146, size = 12, normalized size = 0.71 \begin{align*} \frac{a x^{4}}{4} + \frac{b x^{5}}{5} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.23466, size = 18, normalized size = 1.06 \begin{align*} \frac{1}{5} \, b x^{5} + \frac{1}{4} \, a x^{4} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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