Optimal. Leaf size=111 \[ -\frac{x}{12 \left (3 x^4+2\right )}-\frac{\log \left (3 x^2-6^{3/4} x+\sqrt{6}\right )}{96 \sqrt [4]{6}}+\frac{\log \left (3 x^2+6^{3/4} x+\sqrt{6}\right )}{96 \sqrt [4]{6}}-\frac{\tan ^{-1}\left (1-\sqrt [4]{6} x\right )}{48 \sqrt [4]{6}}+\frac{\tan ^{-1}\left (\sqrt [4]{6} x+1\right )}{48 \sqrt [4]{6}} \]
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Rubi [A] time = 0.0764342, antiderivative size = 111, normalized size of antiderivative = 1., number of steps used = 10, number of rules used = 7, integrand size = 13, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.538, Rules used = {288, 211, 1165, 628, 1162, 617, 204} \[ -\frac{x}{12 \left (3 x^4+2\right )}-\frac{\log \left (3 x^2-6^{3/4} x+\sqrt{6}\right )}{96 \sqrt [4]{6}}+\frac{\log \left (3 x^2+6^{3/4} x+\sqrt{6}\right )}{96 \sqrt [4]{6}}-\frac{\tan ^{-1}\left (1-\sqrt [4]{6} x\right )}{48 \sqrt [4]{6}}+\frac{\tan ^{-1}\left (\sqrt [4]{6} x+1\right )}{48 \sqrt [4]{6}} \]
Antiderivative was successfully verified.
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Rule 288
Rule 211
Rule 1165
Rule 628
Rule 1162
Rule 617
Rule 204
Rubi steps
\begin{align*} \int \frac{x^4}{\left (2+3 x^4\right )^2} \, dx &=-\frac{x}{12 \left (2+3 x^4\right )}+\frac{1}{12} \int \frac{1}{2+3 x^4} \, dx\\ &=-\frac{x}{12 \left (2+3 x^4\right )}+\frac{\int \frac{\sqrt{2}-\sqrt{3} x^2}{2+3 x^4} \, dx}{24 \sqrt{2}}+\frac{\int \frac{\sqrt{2}+\sqrt{3} x^2}{2+3 x^4} \, dx}{24 \sqrt{2}}\\ &=-\frac{x}{12 \left (2+3 x^4\right )}+\frac{\int \frac{1}{\sqrt{\frac{2}{3}}-\frac{2^{3/4} x}{\sqrt [4]{3}}+x^2} \, dx}{48 \sqrt{6}}+\frac{\int \frac{1}{\sqrt{\frac{2}{3}}+\frac{2^{3/4} x}{\sqrt [4]{3}}+x^2} \, dx}{48 \sqrt{6}}-\frac{\int \frac{\frac{2^{3/4}}{\sqrt [4]{3}}+2 x}{-\sqrt{\frac{2}{3}}-\frac{2^{3/4} x}{\sqrt [4]{3}}-x^2} \, dx}{96 \sqrt [4]{6}}-\frac{\int \frac{\frac{2^{3/4}}{\sqrt [4]{3}}-2 x}{-\sqrt{\frac{2}{3}}+\frac{2^{3/4} x}{\sqrt [4]{3}}-x^2} \, dx}{96 \sqrt [4]{6}}\\ &=-\frac{x}{12 \left (2+3 x^4\right )}-\frac{\log \left (\sqrt{6}-6^{3/4} x+3 x^2\right )}{96 \sqrt [4]{6}}+\frac{\log \left (\sqrt{6}+6^{3/4} x+3 x^2\right )}{96 \sqrt [4]{6}}+\frac{\operatorname{Subst}\left (\int \frac{1}{-1-x^2} \, dx,x,1-\sqrt [4]{6} x\right )}{48 \sqrt [4]{6}}-\frac{\operatorname{Subst}\left (\int \frac{1}{-1-x^2} \, dx,x,1+\sqrt [4]{6} x\right )}{48 \sqrt [4]{6}}\\ &=-\frac{x}{12 \left (2+3 x^4\right )}-\frac{\tan ^{-1}\left (1-\sqrt [4]{6} x\right )}{48 \sqrt [4]{6}}+\frac{\tan ^{-1}\left (1+\sqrt [4]{6} x\right )}{48 \sqrt [4]{6}}-\frac{\log \left (\sqrt{6}-6^{3/4} x+3 x^2\right )}{96 \sqrt [4]{6}}+\frac{\log \left (\sqrt{6}+6^{3/4} x+3 x^2\right )}{96 \sqrt [4]{6}}\\ \end{align*}
Mathematica [A] time = 0.0821016, size = 105, normalized size = 0.95 \[ \frac{1}{576} \left (-\frac{48 x}{3 x^4+2}-6^{3/4} \log \left (\sqrt{6} x^2-2 \sqrt [4]{6} x+2\right )+6^{3/4} \log \left (\sqrt{6} x^2+2 \sqrt [4]{6} x+2\right )-2\ 6^{3/4} \tan ^{-1}\left (1-\sqrt [4]{6} x\right )+2\ 6^{3/4} \tan ^{-1}\left (\sqrt [4]{6} x+1\right )\right ) \]
Antiderivative was successfully verified.
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Maple [A] time = 0.006, size = 121, normalized size = 1.1 \begin{align*} -{\frac{x}{36} \left ({x}^{4}+{\frac{2}{3}} \right ) ^{-1}}+{\frac{\sqrt{3}\sqrt [4]{6}\sqrt{2}}{288}\arctan \left ({\frac{\sqrt{2}\sqrt{3}{6}^{{\frac{3}{4}}}x}{6}}+1 \right ) }+{\frac{\sqrt{3}\sqrt [4]{6}\sqrt{2}}{288}\arctan \left ({\frac{\sqrt{2}\sqrt{3}{6}^{{\frac{3}{4}}}x}{6}}-1 \right ) }+{\frac{\sqrt{3}\sqrt [4]{6}\sqrt{2}}{576}\ln \left ({ \left ({x}^{2}+{\frac{\sqrt{3}\sqrt [4]{6}x\sqrt{2}}{3}}+{\frac{\sqrt{6}}{3}} \right ) \left ({x}^{2}-{\frac{\sqrt{3}\sqrt [4]{6}x\sqrt{2}}{3}}+{\frac{\sqrt{6}}{3}} \right ) ^{-1}} \right ) } \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.49882, size = 180, normalized size = 1.62 \begin{align*} \frac{1}{288} \cdot 3^{\frac{3}{4}} 2^{\frac{3}{4}} \arctan \left (\frac{1}{6} \cdot 3^{\frac{3}{4}} 2^{\frac{1}{4}}{\left (2 \, \sqrt{3} x + 3^{\frac{1}{4}} 2^{\frac{3}{4}}\right )}\right ) + \frac{1}{288} \cdot 3^{\frac{3}{4}} 2^{\frac{3}{4}} \arctan \left (\frac{1}{6} \cdot 3^{\frac{3}{4}} 2^{\frac{1}{4}}{\left (2 \, \sqrt{3} x - 3^{\frac{1}{4}} 2^{\frac{3}{4}}\right )}\right ) + \frac{1}{576} \cdot 3^{\frac{3}{4}} 2^{\frac{3}{4}} \log \left (\sqrt{3} x^{2} + 3^{\frac{1}{4}} 2^{\frac{3}{4}} x + \sqrt{2}\right ) - \frac{1}{576} \cdot 3^{\frac{3}{4}} 2^{\frac{3}{4}} \log \left (\sqrt{3} x^{2} - 3^{\frac{1}{4}} 2^{\frac{3}{4}} x + \sqrt{2}\right ) - \frac{x}{12 \,{\left (3 \, x^{4} + 2\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] time = 1.77473, size = 641, normalized size = 5.77 \begin{align*} -\frac{4 \cdot 24^{\frac{3}{4}} \sqrt{2}{\left (3 \, x^{4} + 2\right )} \arctan \left (\frac{1}{12} \cdot 24^{\frac{1}{4}} \sqrt{3} \sqrt{2} \sqrt{24^{\frac{3}{4}} \sqrt{2} x + 12 \, x^{2} + 4 \, \sqrt{6}} - \frac{1}{2} \cdot 24^{\frac{1}{4}} \sqrt{2} x - 1\right ) + 4 \cdot 24^{\frac{3}{4}} \sqrt{2}{\left (3 \, x^{4} + 2\right )} \arctan \left (\frac{1}{12} \cdot 24^{\frac{1}{4}} \sqrt{3} \sqrt{2} \sqrt{-24^{\frac{3}{4}} \sqrt{2} x + 12 \, x^{2} + 4 \, \sqrt{6}} - \frac{1}{2} \cdot 24^{\frac{1}{4}} \sqrt{2} x + 1\right ) - 24^{\frac{3}{4}} \sqrt{2}{\left (3 \, x^{4} + 2\right )} \log \left (24^{\frac{3}{4}} \sqrt{2} x + 12 \, x^{2} + 4 \, \sqrt{6}\right ) + 24^{\frac{3}{4}} \sqrt{2}{\left (3 \, x^{4} + 2\right )} \log \left (-24^{\frac{3}{4}} \sqrt{2} x + 12 \, x^{2} + 4 \, \sqrt{6}\right ) + 192 \, x}{2304 \,{\left (3 \, x^{4} + 2\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 0.530258, size = 95, normalized size = 0.86 \begin{align*} - \frac{x}{36 x^{4} + 24} - \frac{6^{\frac{3}{4}} \log{\left (x^{2} - \frac{6^{\frac{3}{4}} x}{3} + \frac{\sqrt{6}}{3} \right )}}{576} + \frac{6^{\frac{3}{4}} \log{\left (x^{2} + \frac{6^{\frac{3}{4}} x}{3} + \frac{\sqrt{6}}{3} \right )}}{576} + \frac{6^{\frac{3}{4}} \operatorname{atan}{\left (\sqrt [4]{6} x - 1 \right )}}{288} + \frac{6^{\frac{3}{4}} \operatorname{atan}{\left (\sqrt [4]{6} x + 1 \right )}}{288} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.15272, size = 144, normalized size = 1.3 \begin{align*} \frac{1}{288} \cdot 6^{\frac{3}{4}} \arctan \left (\frac{3}{4} \, \sqrt{2} \left (\frac{2}{3}\right )^{\frac{3}{4}}{\left (2 \, x + \sqrt{2} \left (\frac{2}{3}\right )^{\frac{1}{4}}\right )}\right ) + \frac{1}{288} \cdot 6^{\frac{3}{4}} \arctan \left (\frac{3}{4} \, \sqrt{2} \left (\frac{2}{3}\right )^{\frac{3}{4}}{\left (2 \, x - \sqrt{2} \left (\frac{2}{3}\right )^{\frac{1}{4}}\right )}\right ) + \frac{1}{576} \cdot 6^{\frac{3}{4}} \log \left (x^{2} + \sqrt{2} \left (\frac{2}{3}\right )^{\frac{1}{4}} x + \sqrt{\frac{2}{3}}\right ) - \frac{1}{576} \cdot 6^{\frac{3}{4}} \log \left (x^{2} - \sqrt{2} \left (\frac{2}{3}\right )^{\frac{1}{4}} x + \sqrt{\frac{2}{3}}\right ) - \frac{x}{12 \,{\left (3 \, x^{4} + 2\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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