Optimal. Leaf size=43 \[ -\frac{3 a^2 b}{5 x^5}-\frac{a^3}{3 x^3}-\frac{3 a b^2}{7 x^7}-\frac{b^3}{9 x^9} \]
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Rubi [A] time = 0.0153341, antiderivative size = 43, 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, 270} \[ -\frac{3 a^2 b}{5 x^5}-\frac{a^3}{3 x^3}-\frac{3 a b^2}{7 x^7}-\frac{b^3}{9 x^9} \]
Antiderivative was successfully verified.
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Rule 263
Rule 270
Rubi steps
\begin{align*} \int \frac{\left (a+\frac{b}{x^2}\right )^3}{x^4} \, dx &=\int \frac{\left (b+a x^2\right )^3}{x^{10}} \, dx\\ &=\int \left (\frac{b^3}{x^{10}}+\frac{3 a b^2}{x^8}+\frac{3 a^2 b}{x^6}+\frac{a^3}{x^4}\right ) \, dx\\ &=-\frac{b^3}{9 x^9}-\frac{3 a b^2}{7 x^7}-\frac{3 a^2 b}{5 x^5}-\frac{a^3}{3 x^3}\\ \end{align*}
Mathematica [A] time = 0.004138, size = 43, normalized size = 1. \[ -\frac{3 a^2 b}{5 x^5}-\frac{a^3}{3 x^3}-\frac{3 a b^2}{7 x^7}-\frac{b^3}{9 x^9} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.002, size = 36, normalized size = 0.8 \begin{align*} -{\frac{{b}^{3}}{9\,{x}^{9}}}-{\frac{3\,{b}^{2}a}{7\,{x}^{7}}}-{\frac{3\,{a}^{2}b}{5\,{x}^{5}}}-{\frac{{a}^{3}}{3\,{x}^{3}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 0.975167, size = 50, normalized size = 1.16 \begin{align*} -\frac{105 \, a^{3} x^{6} + 189 \, a^{2} b x^{4} + 135 \, a b^{2} x^{2} + 35 \, b^{3}}{315 \, x^{9}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.38159, size = 90, normalized size = 2.09 \begin{align*} -\frac{105 \, a^{3} x^{6} + 189 \, a^{2} b x^{4} + 135 \, a b^{2} x^{2} + 35 \, b^{3}}{315 \, x^{9}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 0.410442, size = 39, normalized size = 0.91 \begin{align*} - \frac{105 a^{3} x^{6} + 189 a^{2} b x^{4} + 135 a b^{2} x^{2} + 35 b^{3}}{315 x^{9}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.67962, size = 50, normalized size = 1.16 \begin{align*} -\frac{105 \, a^{3} x^{6} + 189 \, a^{2} b x^{4} + 135 \, a b^{2} x^{2} + 35 \, b^{3}}{315 \, x^{9}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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