Optimal. Leaf size=81 \[ \frac{\tan ^{-1}\left (\frac{\left (1-\sqrt [3]{3 x^2+1}\right )^2}{3 \sqrt{3} x}\right )}{4 \sqrt{3}}-\frac{1}{4} \tanh ^{-1}\left (\frac{1-\sqrt [3]{3 x^2+1}}{x}\right )+\frac{\tan ^{-1}\left (\frac{x}{\sqrt{3}}\right )}{4 \sqrt{3}} \]
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Rubi [A] time = 0.0107141, antiderivative size = 81, normalized size of antiderivative = 1., number of steps used = 1, number of rules used = 1, integrand size = 19, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.053, Rules used = {394} \[ \frac{\tan ^{-1}\left (\frac{\left (1-\sqrt [3]{3 x^2+1}\right )^2}{3 \sqrt{3} x}\right )}{4 \sqrt{3}}-\frac{1}{4} \tanh ^{-1}\left (\frac{1-\sqrt [3]{3 x^2+1}}{x}\right )+\frac{\tan ^{-1}\left (\frac{x}{\sqrt{3}}\right )}{4 \sqrt{3}} \]
Antiderivative was successfully verified.
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Rule 394
Rubi steps
\begin{align*} \int \frac{1}{\left (3+x^2\right ) \sqrt [3]{1+3 x^2}} \, dx &=\frac{\tan ^{-1}\left (\frac{x}{\sqrt{3}}\right )}{4 \sqrt{3}}+\frac{\tan ^{-1}\left (\frac{\left (1-\sqrt [3]{1+3 x^2}\right )^2}{3 \sqrt{3} x}\right )}{4 \sqrt{3}}-\frac{1}{4} \tanh ^{-1}\left (\frac{1-\sqrt [3]{1+3 x^2}}{x}\right )\\ \end{align*}
Mathematica [C] time = 0.0950302, size = 126, normalized size = 1.56 \[ -\frac{9 x F_1\left (\frac{1}{2};\frac{1}{3},1;\frac{3}{2};-3 x^2,-\frac{x^2}{3}\right )}{\left (x^2+3\right ) \sqrt [3]{3 x^2+1} \left (2 x^2 \left (F_1\left (\frac{3}{2};\frac{1}{3},2;\frac{5}{2};-3 x^2,-\frac{x^2}{3}\right )+3 F_1\left (\frac{3}{2};\frac{4}{3},1;\frac{5}{2};-3 x^2,-\frac{x^2}{3}\right )\right )-9 F_1\left (\frac{1}{2};\frac{1}{3},1;\frac{3}{2};-3 x^2,-\frac{x^2}{3}\right )\right )} \]
Warning: Unable to verify antiderivative.
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Maple [F] time = 0.026, size = 0, normalized size = 0. \begin{align*} \int{\frac{1}{{x}^{2}+3}{\frac{1}{\sqrt [3]{3\,{x}^{2}+1}}}}\, dx \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{1}{{\left (3 \, x^{2} + 1\right )}^{\frac{1}{3}}{\left (x^{2} + 3\right )}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] time = 15.5078, size = 921, normalized size = 11.37 \begin{align*} \frac{1}{36} \, \sqrt{3} \arctan \left (\frac{4 \, \sqrt{3}{\left (3 \, x^{4} - 10 \, x^{3} - 36 \, x^{2} + 18 \, x + 9\right )}{\left (3 \, x^{2} + 1\right )}^{\frac{2}{3}} - 4 \, \sqrt{3}{\left (x^{5} + 15 \, x^{4} - 26 \, x^{3} - 54 \, x^{2} + 9 \, x - 9\right )}{\left (3 \, x^{2} + 1\right )}^{\frac{1}{3}} + \sqrt{3}{\left (x^{6} - 2 \, x^{5} - 105 \, x^{4} - 28 \, x^{3} + 63 \, x^{2} + 126 \, x + 9\right )}}{x^{6} + 126 \, x^{5} - 225 \, x^{4} - 828 \, x^{3} - 81 \, x^{2} - 162 \, x + 81}\right ) - \frac{1}{36} \, \sqrt{3} \arctan \left (\frac{2 \,{\left (2 \, \sqrt{3}{\left (23 \, x^{3} + 9 \, x\right )}{\left (3 \, x^{2} + 1\right )}^{\frac{2}{3}} + \sqrt{3}{\left (x^{5} - 80 \, x^{3} - 9 \, x\right )}{\left (3 \, x^{2} + 1\right )}^{\frac{1}{3}} + \sqrt{3}{\left (11 \, x^{5} + 10 \, x^{3} - 9 \, x\right )}\right )}}{x^{6} - 657 \, x^{4} - 189 \, x^{2} - 27}\right ) + \frac{1}{24} \, \log \left (\frac{x^{6} + 108 \, x^{5} + 549 \, x^{4} + 360 \, x^{3} + 99 \, x^{2} + 6 \,{\left (3 \, x^{4} + 32 \, x^{3} + 42 \, x^{2} + 3\right )}{\left (3 \, x^{2} + 1\right )}^{\frac{2}{3}} + 6 \,{\left (x^{5} + 27 \, x^{4} + 70 \, x^{3} + 18 \, x^{2} + 9 \, x + 3\right )}{\left (3 \, x^{2} + 1\right )}^{\frac{1}{3}} + 108 \, x - 9}{x^{6} + 9 \, x^{4} + 27 \, x^{2} + 27}\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{1}{\left (x^{2} + 3\right ) \sqrt [3]{3 x^{2} + 1}}\, dx \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 (3 \, x^{2} + 1\right )}^{\frac{1}{3}}{\left (x^{2} + 3\right )}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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