Optimal. Leaf size=35 \[ \frac{11 \text{EllipticF}\left (\sin ^{-1}(2 x),-\frac{3}{8}\right )}{6 \sqrt{2}}-\frac{2}{3} \sqrt{2} E\left (\sin ^{-1}(2 x)|-\frac{3}{8}\right ) \]
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Rubi [A] time = 0.0199491, antiderivative size = 35, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 3, integrand size = 23, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.13, Rules used = {423, 424, 419} \[ \frac{11 F\left (\sin ^{-1}(2 x)|-\frac{3}{8}\right )}{6 \sqrt{2}}-\frac{2}{3} \sqrt{2} E\left (\sin ^{-1}(2 x)|-\frac{3}{8}\right ) \]
Antiderivative was successfully verified.
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Rule 423
Rule 424
Rule 419
Rubi steps
\begin{align*} \int \frac{\sqrt{1-4 x^2}}{\sqrt{2+3 x^2}} \, dx &=-\left (\frac{4}{3} \int \frac{\sqrt{2+3 x^2}}{\sqrt{1-4 x^2}} \, dx\right )+\frac{11}{3} \int \frac{1}{\sqrt{1-4 x^2} \sqrt{2+3 x^2}} \, dx\\ &=-\frac{2}{3} \sqrt{2} E\left (\sin ^{-1}(2 x)|-\frac{3}{8}\right )+\frac{11 F\left (\sin ^{-1}(2 x)|-\frac{3}{8}\right )}{6 \sqrt{2}}\\ \end{align*}
Mathematica [C] time = 0.0044684, size = 27, normalized size = 0.77 \[ -\frac{i E\left (i \sinh ^{-1}\left (\sqrt{\frac{3}{2}} x\right )|-\frac{8}{3}\right )}{\sqrt{3}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.018, size = 31, normalized size = 0.9 \begin{align*} -{\frac{ \left ( -11\,{\it EllipticF} \left ( 2\,x,i/4\sqrt{6} \right ) +8\,{\it EllipticE} \left ( 2\,x,i/4\sqrt{6} \right ) \right ) \sqrt{2}}{12}} \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{\sqrt{-4 \, x^{2} + 1}}{\sqrt{3 \, 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{\sqrt{-4 \, x^{2} + 1}}{\sqrt{3 \, 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{\sqrt{- \left (2 x - 1\right ) \left (2 x + 1\right )}}{\sqrt{3 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{\sqrt{-4 \, x^{2} + 1}}{\sqrt{3 \, x^{2} + 2}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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