Optimal. Leaf size=30 \[ \frac{a^2 x^5}{5}+\frac{1}{2} a b x^4+\frac{b^2 x^3}{3} \]
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Rubi [A] time = 0.013179, antiderivative size = 30, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 2, integrand size = 13, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.154, Rules used = {263, 43} \[ \frac{a^2 x^5}{5}+\frac{1}{2} a b x^4+\frac{b^2 x^3}{3} \]
Antiderivative was successfully verified.
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Rule 263
Rule 43
Rubi steps
\begin{align*} \int \left (a+\frac{b}{x}\right )^2 x^4 \, dx &=\int x^2 (b+a x)^2 \, dx\\ &=\int \left (b^2 x^2+2 a b x^3+a^2 x^4\right ) \, dx\\ &=\frac{b^2 x^3}{3}+\frac{1}{2} a b x^4+\frac{a^2 x^5}{5}\\ \end{align*}
Mathematica [A] time = 0.0016516, size = 30, normalized size = 1. \[ \frac{a^2 x^5}{5}+\frac{1}{2} a b x^4+\frac{b^2 x^3}{3} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.002, size = 25, normalized size = 0.8 \begin{align*}{\frac{{b}^{2}{x}^{3}}{3}}+{\frac{ab{x}^{4}}{2}}+{\frac{{x}^{5}{a}^{2}}{5}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 0.959792, size = 32, normalized size = 1.07 \begin{align*} \frac{1}{5} \, a^{2} x^{5} + \frac{1}{2} \, a b x^{4} + \frac{1}{3} \, b^{2} x^{3} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.38612, size = 55, normalized size = 1.83 \begin{align*} \frac{1}{5} \, a^{2} x^{5} + \frac{1}{2} \, a b x^{4} + \frac{1}{3} \, b^{2} x^{3} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 0.059444, size = 24, normalized size = 0.8 \begin{align*} \frac{a^{2} x^{5}}{5} + \frac{a b x^{4}}{2} + \frac{b^{2} x^{3}}{3} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.14425, size = 32, normalized size = 1.07 \begin{align*} \frac{1}{5} \, a^{2} x^{5} + \frac{1}{2} \, a b x^{4} + \frac{1}{3} \, b^{2} x^{3} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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