Optimal. Leaf size=19 \[ \frac{a x^4}{4}+\frac{2}{9} b x^{9/2} \]
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Rubi [A] time = 0.0049615, antiderivative size = 19, 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} \[ \frac{a x^4}{4}+\frac{2}{9} b x^{9/2} \]
Antiderivative was successfully verified.
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Rule 14
Rubi steps
\begin{align*} \int \left (a+b \sqrt{x}\right ) x^3 \, dx &=\int \left (a x^3+b x^{7/2}\right ) \, dx\\ &=\frac{a x^4}{4}+\frac{2}{9} b x^{9/2}\\ \end{align*}
Mathematica [A] time = 0.0053905, size = 19, normalized size = 1. \[ \frac{a x^4}{4}+\frac{2}{9} b x^{9/2} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.001, size = 14, normalized size = 0.7 \begin{align*}{\frac{a{x}^{4}}{4}}+{\frac{2\,b}{9}{x}^{{\frac{9}{2}}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] time = 0.957458, size = 178, normalized size = 9.37 \begin{align*} \frac{2 \,{\left (b \sqrt{x} + a\right )}^{9}}{9 \, b^{8}} - \frac{7 \,{\left (b \sqrt{x} + a\right )}^{8} a}{4 \, b^{8}} + \frac{6 \,{\left (b \sqrt{x} + a\right )}^{7} a^{2}}{b^{8}} - \frac{35 \,{\left (b \sqrt{x} + a\right )}^{6} a^{3}}{3 \, b^{8}} + \frac{14 \,{\left (b \sqrt{x} + a\right )}^{5} a^{4}}{b^{8}} - \frac{21 \,{\left (b \sqrt{x} + a\right )}^{4} a^{5}}{2 \, b^{8}} + \frac{14 \,{\left (b \sqrt{x} + a\right )}^{3} a^{6}}{3 \, b^{8}} - \frac{{\left (b \sqrt{x} + a\right )}^{2} a^{7}}{b^{8}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.48778, size = 36, normalized size = 1.89 \begin{align*} \frac{2}{9} \, b x^{\frac{9}{2}} + \frac{1}{4} \, a x^{4} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 1.07947, size = 15, normalized size = 0.79 \begin{align*} \frac{a x^{4}}{4} + \frac{2 b x^{\frac{9}{2}}}{9} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.09918, size = 18, normalized size = 0.95 \begin{align*} \frac{2}{9} \, b x^{\frac{9}{2}} + \frac{1}{4} \, a x^{4} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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