Optimal. Leaf size=55 \[ \frac{a^2 x}{b^3}-\frac{a^{5/2} \tan ^{-1}\left (\frac{\sqrt{b} x}{\sqrt{a}}\right )}{b^{7/2}}-\frac{a x^3}{3 b^2}+\frac{x^5}{5 b} \]
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Rubi [A] time = 0.0239212, antiderivative size = 55, 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 = {302, 205} \[ \frac{a^2 x}{b^3}-\frac{a^{5/2} \tan ^{-1}\left (\frac{\sqrt{b} x}{\sqrt{a}}\right )}{b^{7/2}}-\frac{a x^3}{3 b^2}+\frac{x^5}{5 b} \]
Antiderivative was successfully verified.
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Rule 302
Rule 205
Rubi steps
\begin{align*} \int \frac{x^6}{a+b x^2} \, dx &=\int \left (\frac{a^2}{b^3}-\frac{a x^2}{b^2}+\frac{x^4}{b}-\frac{a^3}{b^3 \left (a+b x^2\right )}\right ) \, dx\\ &=\frac{a^2 x}{b^3}-\frac{a x^3}{3 b^2}+\frac{x^5}{5 b}-\frac{a^3 \int \frac{1}{a+b x^2} \, dx}{b^3}\\ &=\frac{a^2 x}{b^3}-\frac{a x^3}{3 b^2}+\frac{x^5}{5 b}-\frac{a^{5/2} \tan ^{-1}\left (\frac{\sqrt{b} x}{\sqrt{a}}\right )}{b^{7/2}}\\ \end{align*}
Mathematica [A] time = 0.0222535, size = 55, normalized size = 1. \[ \frac{a^2 x}{b^3}-\frac{a^{5/2} \tan ^{-1}\left (\frac{\sqrt{b} x}{\sqrt{a}}\right )}{b^{7/2}}-\frac{a x^3}{3 b^2}+\frac{x^5}{5 b} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.003, size = 49, normalized size = 0.9 \begin{align*}{\frac{{x}^{5}}{5\,b}}-{\frac{a{x}^{3}}{3\,{b}^{2}}}+{\frac{{a}^{2}x}{{b}^{3}}}-{\frac{{a}^{3}}{{b}^{3}}\arctan \left ({bx{\frac{1}{\sqrt{ab}}}} \right ){\frac{1}{\sqrt{ab}}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: ValueError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.17411, size = 278, normalized size = 5.05 \begin{align*} \left [\frac{6 \, b^{2} x^{5} - 10 \, a b x^{3} + 15 \, a^{2} \sqrt{-\frac{a}{b}} \log \left (\frac{b x^{2} - 2 \, b x \sqrt{-\frac{a}{b}} - a}{b x^{2} + a}\right ) + 30 \, a^{2} x}{30 \, b^{3}}, \frac{3 \, b^{2} x^{5} - 5 \, a b x^{3} - 15 \, a^{2} \sqrt{\frac{a}{b}} \arctan \left (\frac{b x \sqrt{\frac{a}{b}}}{a}\right ) + 15 \, a^{2} x}{15 \, b^{3}}\right ] \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 0.327934, size = 95, normalized size = 1.73 \begin{align*} \frac{a^{2} x}{b^{3}} - \frac{a x^{3}}{3 b^{2}} + \frac{\sqrt{- \frac{a^{5}}{b^{7}}} \log{\left (x - \frac{b^{3} \sqrt{- \frac{a^{5}}{b^{7}}}}{a^{2}} \right )}}{2} - \frac{\sqrt{- \frac{a^{5}}{b^{7}}} \log{\left (x + \frac{b^{3} \sqrt{- \frac{a^{5}}{b^{7}}}}{a^{2}} \right )}}{2} + \frac{x^{5}}{5 b} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 2.63796, size = 74, normalized size = 1.35 \begin{align*} -\frac{a^{3} \arctan \left (\frac{b x}{\sqrt{a b}}\right )}{\sqrt{a b} b^{3}} + \frac{3 \, b^{4} x^{5} - 5 \, a b^{3} x^{3} + 15 \, a^{2} b^{2} x}{15 \, b^{5}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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