Optimal. Leaf size=72 \[ \frac{\left (\sqrt{6} x^2+3\right ) \sqrt{\frac{2 x^4+3}{\left (\sqrt{6} x^2+3\right )^2}} \text{EllipticF}\left (2 \tan ^{-1}\left (\sqrt [4]{\frac{2}{3}} x\right ),\frac{1}{2}\right )}{2 \sqrt [4]{6} \sqrt{-2 x^4-3}} \]
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Rubi [A] time = 0.0070373, antiderivative size = 72, normalized size of antiderivative = 1., number of steps used = 1, number of rules used = 1, integrand size = 11, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.091, Rules used = {220} \[ \frac{\left (\sqrt{6} x^2+3\right ) \sqrt{\frac{2 x^4+3}{\left (\sqrt{6} x^2+3\right )^2}} F\left (2 \tan ^{-1}\left (\sqrt [4]{\frac{2}{3}} x\right )|\frac{1}{2}\right )}{2 \sqrt [4]{6} \sqrt{-2 x^4-3}} \]
Antiderivative was successfully verified.
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Rule 220
Rubi steps
\begin{align*} \int \frac{1}{\sqrt{-3-2 x^4}} \, dx &=\frac{\left (3+\sqrt{6} x^2\right ) \sqrt{\frac{3+2 x^4}{\left (3+\sqrt{6} x^2\right )^2}} F\left (2 \tan ^{-1}\left (\sqrt [4]{\frac{2}{3}} x\right )|\frac{1}{2}\right )}{2 \sqrt [4]{6} \sqrt{-3-2 x^4}}\\ \end{align*}
Mathematica [C] time = 0.0276189, size = 47, normalized size = 0.65 \[ -\frac{\sqrt [4]{-\frac{1}{6}} \sqrt{2 x^4+3} \text{EllipticF}\left (i \sinh ^{-1}\left (\sqrt [4]{-\frac{2}{3}} x\right ),-1\right )}{\sqrt{-2 x^4-3}} \]
Antiderivative was successfully verified.
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Maple [C] time = 0.168, size = 66, normalized size = 0.9 \begin{align*}{\frac{\sqrt{3}}{9\,\sqrt{-i\sqrt{6}}}\sqrt{9+3\,i\sqrt{6}{x}^{2}}\sqrt{9-3\,i\sqrt{6}{x}^{2}}{\it EllipticF} \left ({\frac{\sqrt{3}\sqrt{-i\sqrt{6}}x}{3}},i \right ){\frac{1}{\sqrt{-2\,{x}^{4}-3}}}} \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{-2 \, x^{4} - 3}}\,{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{\sqrt{-2 \, x^{4} - 3}}{2 \, x^{4} + 3}, x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [C] time = 0.602676, size = 39, normalized size = 0.54 \begin{align*} - \frac{\sqrt{3} i x \Gamma \left (\frac{1}{4}\right ){{}_{2}F_{1}\left (\begin{matrix} \frac{1}{4}, \frac{1}{2} \\ \frac{5}{4} \end{matrix}\middle |{\frac{2 x^{4} e^{i \pi }}{3}} \right )}}{12 \Gamma \left (\frac{5}{4}\right )} \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{-2 \, x^{4} - 3}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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