Optimal. Leaf size=65 \[ \frac{16\ 2^{3/4} \text{EllipticF}\left (\frac{1}{2} \tan ^{-1}\left (\sqrt{\frac{3}{2}} x\right ),2\right )}{63 \sqrt{3}}+\frac{2}{21} \sqrt [4]{3 x^2+2} x^3-\frac{8}{63} \sqrt [4]{3 x^2+2} x \]
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Rubi [A] time = 0.0148995, antiderivative size = 65, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 2, integrand size = 15, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.133, Rules used = {321, 231} \[ \frac{2}{21} \sqrt [4]{3 x^2+2} x^3-\frac{8}{63} \sqrt [4]{3 x^2+2} x+\frac{16\ 2^{3/4} F\left (\left .\frac{1}{2} \tan ^{-1}\left (\sqrt{\frac{3}{2}} x\right )\right |2\right )}{63 \sqrt{3}} \]
Antiderivative was successfully verified.
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Rule 321
Rule 231
Rubi steps
\begin{align*} \int \frac{x^4}{\left (2+3 x^2\right )^{3/4}} \, dx &=\frac{2}{21} x^3 \sqrt [4]{2+3 x^2}-\frac{4}{7} \int \frac{x^2}{\left (2+3 x^2\right )^{3/4}} \, dx\\ &=-\frac{8}{63} x \sqrt [4]{2+3 x^2}+\frac{2}{21} x^3 \sqrt [4]{2+3 x^2}+\frac{16}{63} \int \frac{1}{\left (2+3 x^2\right )^{3/4}} \, dx\\ &=-\frac{8}{63} x \sqrt [4]{2+3 x^2}+\frac{2}{21} x^3 \sqrt [4]{2+3 x^2}+\frac{16\ 2^{3/4} F\left (\left .\frac{1}{2} \tan ^{-1}\left (\sqrt{\frac{3}{2}} x\right )\right |2\right )}{63 \sqrt{3}}\\ \end{align*}
Mathematica [C] time = 0.0170208, size = 49, normalized size = 0.75 \[ \frac{2}{63} x \left (4 \sqrt [4]{2} \, _2F_1\left (\frac{1}{2},\frac{3}{4};\frac{3}{2};-\frac{3 x^2}{2}\right )+\sqrt [4]{3 x^2+2} \left (3 x^2-4\right )\right ) \]
Antiderivative was successfully verified.
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Maple [C] time = 0.02, size = 38, normalized size = 0.6 \begin{align*}{\frac{2\,x \left ( 3\,{x}^{2}-4 \right ) }{63}\sqrt [4]{3\,{x}^{2}+2}}+{\frac{8\,\sqrt [4]{2}x}{63}{\mbox{$_2$F$_1$}({\frac{1}{2}},{\frac{3}{4}};\,{\frac{3}{2}};\,-{\frac{3\,{x}^{2}}{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^{4}}{{\left (3 \, x^{2} + 2\right )}^{\frac{3}{4}}}\,{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{x^{4}}{{\left (3 \, x^{2} + 2\right )}^{\frac{3}{4}}}, x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [C] time = 0.651126, size = 27, normalized size = 0.42 \begin{align*} \frac{\sqrt [4]{2} x^{5}{{}_{2}F_{1}\left (\begin{matrix} \frac{3}{4}, \frac{5}{2} \\ \frac{7}{2} \end{matrix}\middle |{\frac{3 x^{2} e^{i \pi }}{2}} \right )}}{10} \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^{4}}{{\left (3 \, x^{2} + 2\right )}^{\frac{3}{4}}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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