Optimal. Leaf size=61 \[ -\frac{10 a^3 b^2}{3 x^3}-\frac{10 a^2 b^3}{x}-\frac{a^4 b}{x^5}-\frac{a^5}{7 x^7}+5 a b^4 x+\frac{b^5 x^3}{3} \]
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Rubi [A] time = 0.0216362, antiderivative size = 61, 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 = {270} \[ -\frac{10 a^3 b^2}{3 x^3}-\frac{10 a^2 b^3}{x}-\frac{a^4 b}{x^5}-\frac{a^5}{7 x^7}+5 a b^4 x+\frac{b^5 x^3}{3} \]
Antiderivative was successfully verified.
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Rule 270
Rubi steps
\begin{align*} \int \frac{\left (a+b x^2\right )^5}{x^8} \, dx &=\int \left (5 a b^4+\frac{a^5}{x^8}+\frac{5 a^4 b}{x^6}+\frac{10 a^3 b^2}{x^4}+\frac{10 a^2 b^3}{x^2}+b^5 x^2\right ) \, dx\\ &=-\frac{a^5}{7 x^7}-\frac{a^4 b}{x^5}-\frac{10 a^3 b^2}{3 x^3}-\frac{10 a^2 b^3}{x}+5 a b^4 x+\frac{b^5 x^3}{3}\\ \end{align*}
Mathematica [A] time = 0.0038928, size = 61, normalized size = 1. \[ -\frac{10 a^3 b^2}{3 x^3}-\frac{10 a^2 b^3}{x}-\frac{a^4 b}{x^5}-\frac{a^5}{7 x^7}+5 a b^4 x+\frac{b^5 x^3}{3} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.006, size = 56, normalized size = 0.9 \begin{align*} -{\frac{{a}^{5}}{7\,{x}^{7}}}-{\frac{{a}^{4}b}{{x}^{5}}}-{\frac{10\,{a}^{3}{b}^{2}}{3\,{x}^{3}}}-10\,{\frac{{a}^{2}{b}^{3}}{x}}+5\,a{b}^{4}x+{\frac{{b}^{5}{x}^{3}}{3}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.87512, size = 78, normalized size = 1.28 \begin{align*} \frac{1}{3} \, b^{5} x^{3} + 5 \, a b^{4} x - \frac{210 \, a^{2} b^{3} x^{6} + 70 \, a^{3} b^{2} x^{4} + 21 \, a^{4} b x^{2} + 3 \, a^{5}}{21 \, x^{7}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.22507, size = 131, normalized size = 2.15 \begin{align*} \frac{7 \, b^{5} x^{10} + 105 \, a b^{4} x^{8} - 210 \, a^{2} b^{3} x^{6} - 70 \, a^{3} b^{2} x^{4} - 21 \, a^{4} b x^{2} - 3 \, a^{5}}{21 \, x^{7}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 0.451072, size = 60, normalized size = 0.98 \begin{align*} 5 a b^{4} x + \frac{b^{5} x^{3}}{3} - \frac{3 a^{5} + 21 a^{4} b x^{2} + 70 a^{3} b^{2} x^{4} + 210 a^{2} b^{3} x^{6}}{21 x^{7}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 2.19656, size = 78, normalized size = 1.28 \begin{align*} \frac{1}{3} \, b^{5} x^{3} + 5 \, a b^{4} x - \frac{210 \, a^{2} b^{3} x^{6} + 70 \, a^{3} b^{2} x^{4} + 21 \, a^{4} b x^{2} + 3 \, a^{5}}{21 \, x^{7}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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