Optimal. Leaf size=112 \[ \frac{1}{12} \log \left (x^2-x+1\right )-\frac{\log \left (x^2-\sqrt [3]{3} x+3^{2/3}\right )}{12 \sqrt [3]{3}}-\frac{1}{6} \log (x+1)+\frac{\log \left (x+\sqrt [3]{3}\right )}{6 \sqrt [3]{3}}-\frac{\tan ^{-1}\left (\frac{1-2 x}{\sqrt{3}}\right )}{2 \sqrt{3}}+\frac{\tan ^{-1}\left (\frac{\sqrt [3]{3}-2 x}{3^{5/6}}\right )}{2\ 3^{5/6}} \]
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Rubi [A] time = 0.0690096, antiderivative size = 112, normalized size of antiderivative = 1., number of steps used = 13, number of rules used = 8, integrand size = 14, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.571, Rules used = {1375, 292, 31, 634, 618, 204, 628, 617} \[ \frac{1}{12} \log \left (x^2-x+1\right )-\frac{\log \left (x^2-\sqrt [3]{3} x+3^{2/3}\right )}{12 \sqrt [3]{3}}-\frac{1}{6} \log (x+1)+\frac{\log \left (x+\sqrt [3]{3}\right )}{6 \sqrt [3]{3}}-\frac{\tan ^{-1}\left (\frac{1-2 x}{\sqrt{3}}\right )}{2 \sqrt{3}}+\frac{\tan ^{-1}\left (\frac{\sqrt [3]{3}-2 x}{3^{5/6}}\right )}{2\ 3^{5/6}} \]
Antiderivative was successfully verified.
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Rule 1375
Rule 292
Rule 31
Rule 634
Rule 618
Rule 204
Rule 628
Rule 617
Rubi steps
\begin{align*} \int \frac{x}{3+4 x^3+x^6} \, dx &=\frac{1}{2} \int \frac{x}{1+x^3} \, dx-\frac{1}{2} \int \frac{x}{3+x^3} \, dx\\ &=-\left (\frac{1}{6} \int \frac{1}{1+x} \, dx\right )+\frac{1}{6} \int \frac{1+x}{1-x+x^2} \, dx+\frac{\int \frac{1}{\sqrt [3]{3}+x} \, dx}{6 \sqrt [3]{3}}-\frac{\int \frac{\sqrt [3]{3}+x}{3^{2/3}-\sqrt [3]{3} x+x^2} \, dx}{6 \sqrt [3]{3}}\\ &=-\frac{1}{6} \log (1+x)+\frac{\log \left (\sqrt [3]{3}+x\right )}{6 \sqrt [3]{3}}+\frac{1}{12} \int \frac{-1+2 x}{1-x+x^2} \, dx+\frac{1}{4} \int \frac{1}{1-x+x^2} \, dx-\frac{1}{4} \int \frac{1}{3^{2/3}-\sqrt [3]{3} x+x^2} \, dx-\frac{\int \frac{-\sqrt [3]{3}+2 x}{3^{2/3}-\sqrt [3]{3} x+x^2} \, dx}{12 \sqrt [3]{3}}\\ &=-\frac{1}{6} \log (1+x)+\frac{\log \left (\sqrt [3]{3}+x\right )}{6 \sqrt [3]{3}}+\frac{1}{12} \log \left (1-x+x^2\right )-\frac{\log \left (3^{2/3}-\sqrt [3]{3} x+x^2\right )}{12 \sqrt [3]{3}}-\frac{1}{2} \operatorname{Subst}\left (\int \frac{1}{-3-x^2} \, dx,x,-1+2 x\right )-\frac{\operatorname{Subst}\left (\int \frac{1}{-3-x^2} \, dx,x,1-\frac{2 x}{\sqrt [3]{3}}\right )}{2 \sqrt [3]{3}}\\ &=-\frac{\tan ^{-1}\left (\frac{1-2 x}{\sqrt{3}}\right )}{2 \sqrt{3}}+\frac{\tan ^{-1}\left (\frac{\sqrt [3]{3}-2 x}{3^{5/6}}\right )}{2\ 3^{5/6}}-\frac{1}{6} \log (1+x)+\frac{\log \left (\sqrt [3]{3}+x\right )}{6 \sqrt [3]{3}}+\frac{1}{12} \log \left (1-x+x^2\right )-\frac{\log \left (3^{2/3}-\sqrt [3]{3} x+x^2\right )}{12 \sqrt [3]{3}}\\ \end{align*}
Mathematica [A] time = 0.0378439, size = 108, normalized size = 0.96 \[ \frac{1}{36} \left (3 \log \left (x^2-x+1\right )-3^{2/3} \log \left (\sqrt [3]{3} x^2-3^{2/3} x+3\right )-6 \log (x+1)+2\ 3^{2/3} \log \left (3^{2/3} x+3\right )+6 \sqrt [6]{3} \tan ^{-1}\left (\frac{\sqrt [3]{3}-2 x}{3^{5/6}}\right )+6 \sqrt{3} \tan ^{-1}\left (\frac{2 x-1}{\sqrt{3}}\right )\right ) \]
Antiderivative was successfully verified.
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Maple [A] time = 0.007, size = 84, normalized size = 0.8 \begin{align*}{\frac{\ln \left ({x}^{2}-x+1 \right ) }{12}}+{\frac{\sqrt{3}}{6}\arctan \left ({\frac{ \left ( 2\,x-1 \right ) \sqrt{3}}{3}} \right ) }+{\frac{{3}^{{\frac{2}{3}}}\ln \left ( \sqrt [3]{3}+x \right ) }{18}}-{\frac{{3}^{{\frac{2}{3}}}\ln \left ({3}^{{\frac{2}{3}}}-\sqrt [3]{3}x+{x}^{2} \right ) }{36}}-{\frac{\sqrt [6]{3}}{6}\arctan \left ({\frac{\sqrt{3}}{3} \left ({\frac{2\,{3}^{2/3}x}{3}}-1 \right ) } \right ) }-{\frac{\ln \left ( 1+x \right ) }{6}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.65587, size = 113, normalized size = 1.01 \begin{align*} -\frac{1}{36} \cdot 3^{\frac{2}{3}} \log \left (x^{2} - 3^{\frac{1}{3}} x + 3^{\frac{2}{3}}\right ) + \frac{1}{18} \cdot 3^{\frac{2}{3}} \log \left (x + 3^{\frac{1}{3}}\right ) + \frac{1}{6} \, \sqrt{3} \arctan \left (\frac{1}{3} \, \sqrt{3}{\left (2 \, x - 1\right )}\right ) - \frac{1}{6} \cdot 3^{\frac{1}{6}} \arctan \left (\frac{1}{3} \cdot 3^{\frac{1}{6}}{\left (2 \, x - 3^{\frac{1}{3}}\right )}\right ) + \frac{1}{12} \, \log \left (x^{2} - x + 1\right ) - \frac{1}{6} \, \log \left (x + 1\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.49911, size = 289, normalized size = 2.58 \begin{align*} -\frac{1}{36} \cdot 3^{\frac{2}{3}} \log \left (x^{2} - 3^{\frac{1}{3}} x + 3^{\frac{2}{3}}\right ) + \frac{1}{18} \cdot 3^{\frac{2}{3}} \log \left (x + 3^{\frac{1}{3}}\right ) + \frac{1}{6} \, \sqrt{3} \arctan \left (\frac{1}{3} \, \sqrt{3}{\left (2 \, x - 1\right )}\right ) + \frac{1}{6} \cdot 3^{\frac{1}{6}} \arctan \left (-\frac{1}{3} \cdot 3^{\frac{1}{6}}{\left (2 \, x - 3^{\frac{1}{3}}\right )}\right ) + \frac{1}{12} \, \log \left (x^{2} - x + 1\right ) - \frac{1}{6} \, \log \left (x + 1\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [C] time = 1.30997, size = 119, normalized size = 1.06 \begin{align*} - \frac{\log{\left (x + 1 \right )}}{6} + \left (\frac{1}{12} - \frac{\sqrt{3} i}{12}\right ) \log{\left (x + 90 \left (\frac{1}{12} - \frac{\sqrt{3} i}{12}\right )^{2} + 11664 \left (\frac{1}{12} - \frac{\sqrt{3} i}{12}\right )^{5} \right )} + \left (\frac{1}{12} + \frac{\sqrt{3} i}{12}\right ) \log{\left (x + 11664 \left (\frac{1}{12} + \frac{\sqrt{3} i}{12}\right )^{5} + 90 \left (\frac{1}{12} + \frac{\sqrt{3} i}{12}\right )^{2} \right )} + \operatorname{RootSum}{\left (648 t^{3} - 1, \left ( t \mapsto t \log{\left (11664 t^{5} + 90 t^{2} + x \right )} \right )\right )} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: NotImplementedError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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