Optimal. Leaf size=33 \[ -\frac{x^3}{6 \sqrt{x^6+2}}-\frac{1}{6 \sqrt{x^6+2} x^3} \]
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Rubi [A] time = 0.0062853, antiderivative size = 33, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 2, integrand size = 13, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.154, Rules used = {271, 264} \[ -\frac{x^3}{6 \sqrt{x^6+2}}-\frac{1}{6 \sqrt{x^6+2} x^3} \]
Antiderivative was successfully verified.
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Rule 271
Rule 264
Rubi steps
\begin{align*} \int \frac{1}{x^4 \left (2+x^6\right )^{3/2}} \, dx &=-\frac{1}{6 x^3 \sqrt{2+x^6}}-\int \frac{x^2}{\left (2+x^6\right )^{3/2}} \, dx\\ &=-\frac{1}{6 x^3 \sqrt{2+x^6}}-\frac{x^3}{6 \sqrt{2+x^6}}\\ \end{align*}
Mathematica [A] time = 0.004974, size = 23, normalized size = 0.7 \[ \frac{-x^6-1}{6 x^3 \sqrt{x^6+2}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.005, size = 18, normalized size = 0.6 \begin{align*} -{\frac{{x}^{6}+1}{6\,{x}^{3}}{\frac{1}{\sqrt{{x}^{6}+2}}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 0.985953, size = 34, normalized size = 1.03 \begin{align*} -\frac{x^{3}}{12 \, \sqrt{x^{6} + 2}} - \frac{\sqrt{x^{6} + 2}}{12 \, x^{3}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.44519, size = 81, normalized size = 2.45 \begin{align*} -\frac{x^{9} + 2 \, x^{3} + \sqrt{x^{6} + 2}{\left (x^{6} + 1\right )}}{6 \,{\left (x^{9} + 2 \, x^{3}\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 0.798994, size = 31, normalized size = 0.94 \begin{align*} - \frac{1}{6 \sqrt{1 + \frac{2}{x^{6}}}} - \frac{1}{6 x^{6} \sqrt{1 + \frac{2}{x^{6}}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{1}{{\left (x^{6} + 2\right )}^{\frac{3}{2}} x^{4}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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