Optimal. Leaf size=202 \[ -\frac{16\ 2^{5/6} \sqrt{2+\sqrt{3}} \left (x^2+\sqrt [3]{2}\right ) \sqrt{\frac{x^4-\sqrt [3]{2} x^2+2^{2/3}}{\left (x^2+\sqrt [3]{2} \left (1+\sqrt{3}\right )\right )^2}} \text{EllipticF}\left (\sin ^{-1}\left (\frac{x^2+\sqrt [3]{2} \left (1-\sqrt{3}\right )}{x^2+\sqrt [3]{2} \left (1+\sqrt{3}\right )}\right ),-7-4 \sqrt{3}\right )}{15 \sqrt [4]{3} \sqrt{\frac{x^2+\sqrt [3]{2}}{\left (x^2+\sqrt [3]{2} \left (1+\sqrt{3}\right )\right )^2}} \sqrt{x^6+2}}-\frac{x^8}{3 \sqrt{x^6+2}}+\frac{8}{15} \sqrt{x^6+2} x^2 \]
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Rubi [A] time = 0.103049, antiderivative size = 202, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 4, integrand size = 13, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.308, Rules used = {275, 288, 321, 218} \[ -\frac{x^8}{3 \sqrt{x^6+2}}+\frac{8}{15} \sqrt{x^6+2} x^2-\frac{16\ 2^{5/6} \sqrt{2+\sqrt{3}} \left (x^2+\sqrt [3]{2}\right ) \sqrt{\frac{x^4-\sqrt [3]{2} x^2+2^{2/3}}{\left (x^2+\sqrt [3]{2} \left (1+\sqrt{3}\right )\right )^2}} F\left (\sin ^{-1}\left (\frac{x^2+\sqrt [3]{2} \left (1-\sqrt{3}\right )}{x^2+\sqrt [3]{2} \left (1+\sqrt{3}\right )}\right )|-7-4 \sqrt{3}\right )}{15 \sqrt [4]{3} \sqrt{\frac{x^2+\sqrt [3]{2}}{\left (x^2+\sqrt [3]{2} \left (1+\sqrt{3}\right )\right )^2}} \sqrt{x^6+2}} \]
Antiderivative was successfully verified.
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Rule 275
Rule 288
Rule 321
Rule 218
Rubi steps
\begin{align*} \int \frac{x^{13}}{\left (2+x^6\right )^{3/2}} \, dx &=\frac{1}{2} \operatorname{Subst}\left (\int \frac{x^6}{\left (2+x^3\right )^{3/2}} \, dx,x,x^2\right )\\ &=-\frac{x^8}{3 \sqrt{2+x^6}}+\frac{4}{3} \operatorname{Subst}\left (\int \frac{x^3}{\sqrt{2+x^3}} \, dx,x,x^2\right )\\ &=-\frac{x^8}{3 \sqrt{2+x^6}}+\frac{8}{15} x^2 \sqrt{2+x^6}-\frac{16}{15} \operatorname{Subst}\left (\int \frac{1}{\sqrt{2+x^3}} \, dx,x,x^2\right )\\ &=-\frac{x^8}{3 \sqrt{2+x^6}}+\frac{8}{15} x^2 \sqrt{2+x^6}-\frac{16\ 2^{5/6} \sqrt{2+\sqrt{3}} \left (\sqrt [3]{2}+x^2\right ) \sqrt{\frac{2^{2/3}-\sqrt [3]{2} x^2+x^4}{\left (\sqrt [3]{2} \left (1+\sqrt{3}\right )+x^2\right )^2}} F\left (\sin ^{-1}\left (\frac{\sqrt [3]{2} \left (1-\sqrt{3}\right )+x^2}{\sqrt [3]{2} \left (1+\sqrt{3}\right )+x^2}\right )|-7-4 \sqrt{3}\right )}{15 \sqrt [4]{3} \sqrt{\frac{\sqrt [3]{2}+x^2}{\left (\sqrt [3]{2} \left (1+\sqrt{3}\right )+x^2\right )^2}} \sqrt{2+x^6}}\\ \end{align*}
Mathematica [C] time = 0.0128574, size = 56, normalized size = 0.28 \[ \frac{x^2 \left (-8 \sqrt{2} \sqrt{x^6+2} \, _2F_1\left (\frac{1}{3},\frac{1}{2};\frac{4}{3};-\frac{x^6}{2}\right )+3 x^6+16\right )}{15 \sqrt{x^6+2}} \]
Antiderivative was successfully verified.
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Maple [C] time = 0.024, size = 40, normalized size = 0.2 \begin{align*}{\frac{{x}^{2} \left ( 3\,{x}^{6}+16 \right ) }{15}{\frac{1}{\sqrt{{x}^{6}+2}}}}-{\frac{8\,{x}^{2}\sqrt{2}}{15}{\mbox{$_2$F$_1$}({\frac{1}{3}},{\frac{1}{2}};\,{\frac{4}{3}};\,-{\frac{{x}^{6}}{2}})}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{x^{13}}{{\left (x^{6} + 2\right )}^{\frac{3}{2}}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F] time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left (\frac{\sqrt{x^{6} + 2} x^{13}}{x^{12} + 4 \, x^{6} + 4}, x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 1.5734, size = 36, normalized size = 0.18 \begin{align*} \frac{\sqrt{2} x^{14} \Gamma \left (\frac{7}{3}\right ){{}_{2}F_{1}\left (\begin{matrix} \frac{3}{2}, \frac{7}{3} \\ \frac{10}{3} \end{matrix}\middle |{\frac{x^{6} e^{i \pi }}{2}} \right )}}{24 \Gamma \left (\frac{10}{3}\right )} \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{x^{13}}{{\left (x^{6} + 2\right )}^{\frac{3}{2}}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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