Optimal. Leaf size=19 \[ -\frac{a}{3 x^3}-\frac{3 b}{8 x^{8/3}} \]
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Rubi [A] time = 0.0052725, 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} \[ -\frac{a}{3 x^3}-\frac{3 b}{8 x^{8/3}} \]
Antiderivative was successfully verified.
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Rule 14
Rubi steps
\begin{align*} \int \frac{a+b \sqrt [3]{x}}{x^4} \, dx &=\int \left (\frac{a}{x^4}+\frac{b}{x^{11/3}}\right ) \, dx\\ &=-\frac{a}{3 x^3}-\frac{3 b}{8 x^{8/3}}\\ \end{align*}
Mathematica [A] time = 0.0061057, size = 19, normalized size = 1. \[ -\frac{a}{3 x^3}-\frac{3 b}{8 x^{8/3}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.006, size = 14, normalized size = 0.7 \begin{align*} -{\frac{a}{3\,{x}^{3}}}-{\frac{3\,b}{8}{x}^{-{\frac{8}{3}}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 0.960897, size = 20, normalized size = 1.05 \begin{align*} -\frac{9 \, b x^{\frac{1}{3}} + 8 \, a}{24 \, x^{3}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.46816, size = 42, normalized size = 2.21 \begin{align*} -\frac{9 \, b x^{\frac{1}{3}} + 8 \, a}{24 \, x^{3}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 2.99122, size = 17, normalized size = 0.89 \begin{align*} - \frac{a}{3 x^{3}} - \frac{3 b}{8 x^{\frac{8}{3}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.11104, size = 20, normalized size = 1.05 \begin{align*} -\frac{9 \, b x^{\frac{1}{3}} + 8 \, a}{24 \, x^{3}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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