Optimal. Leaf size=88 \[ \frac{\left (\sqrt{6} x^2+2\right ) \sqrt{\frac{3 x^4+x^2+2}{\left (\sqrt{6} x^2+2\right )^2}} \text{EllipticF}\left (2 \tan ^{-1}\left (\sqrt [4]{\frac{3}{2}} x\right ),\frac{1}{24} \left (12-\sqrt{6}\right )\right )}{2 \sqrt [4]{6} \sqrt{3 x^4+x^2+2}} \]
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Rubi [A] time = 0.0138713, antiderivative size = 88, normalized size of antiderivative = 1., number of steps used = 1, number of rules used = 1, integrand size = 14, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.071, Rules used = {1103} \[ \frac{\left (\sqrt{6} x^2+2\right ) \sqrt{\frac{3 x^4+x^2+2}{\left (\sqrt{6} x^2+2\right )^2}} F\left (2 \tan ^{-1}\left (\sqrt [4]{\frac{3}{2}} x\right )|\frac{1}{24} \left (12-\sqrt{6}\right )\right )}{2 \sqrt [4]{6} \sqrt{3 x^4+x^2+2}} \]
Antiderivative was successfully verified.
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Rule 1103
Rubi steps
\begin{align*} \int \frac{1}{\sqrt{2+x^2+3 x^4}} \, dx &=\frac{\left (2+\sqrt{6} x^2\right ) \sqrt{\frac{2+x^2+3 x^4}{\left (2+\sqrt{6} x^2\right )^2}} F\left (2 \tan ^{-1}\left (\sqrt [4]{\frac{3}{2}} x\right )|\frac{1}{24} \left (12-\sqrt{6}\right )\right )}{2 \sqrt [4]{6} \sqrt{2+x^2+3 x^4}}\\ \end{align*}
Mathematica [C] time = 0.0841275, size = 142, normalized size = 1.61 \[ -\frac{i \sqrt{1-\frac{6 x^2}{-1-i \sqrt{23}}} \sqrt{1-\frac{6 x^2}{-1+i \sqrt{23}}} \text{EllipticF}\left (i \sinh ^{-1}\left (\sqrt{-\frac{6}{-1-i \sqrt{23}}} x\right ),\frac{-1-i \sqrt{23}}{-1+i \sqrt{23}}\right )}{\sqrt{6} \sqrt{-\frac{1}{-1-i \sqrt{23}}} \sqrt{3 x^4+x^2+2}} \]
Antiderivative was successfully verified.
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Maple [C] time = 0.758, size = 85, normalized size = 1. \begin{align*} 2\,{\frac{\sqrt{1- \left ( -1/4+i/4\sqrt{23} \right ){x}^{2}}\sqrt{1- \left ( -1/4-i/4\sqrt{23} \right ){x}^{2}}{\it EllipticF} \left ( 1/2\,x\sqrt{-1+i\sqrt{23}},1/6\,\sqrt{-33+3\,i\sqrt{23}} \right ) }{\sqrt{-1+i\sqrt{23}}\sqrt{3\,{x}^{4}+{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{1}{\sqrt{3 \, x^{4} + x^{2} + 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{1}{\sqrt{3 \, x^{4} + x^{2} + 2}}, x\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}{\sqrt{3 x^{4} + x^{2} + 2}}\, 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}{\sqrt{3 \, x^{4} + x^{2} + 2}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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