Optimal. Leaf size=35 \[ \frac{\text{EllipticF}\left (\sin ^{-1}(2 x),\frac{3}{8}\right )}{3 \sqrt{2}}-\frac{E\left (\sin ^{-1}(2 x)|\frac{3}{8}\right )}{3 \sqrt{2}} \]
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Rubi [A] time = 0.0319154, antiderivative size = 35, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 3, integrand size = 26, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.115, Rules used = {493, 424, 419} \[ \frac{F\left (\sin ^{-1}(2 x)|\frac{3}{8}\right )}{3 \sqrt{2}}-\frac{E\left (\sin ^{-1}(2 x)|\frac{3}{8}\right )}{3 \sqrt{2}} \]
Antiderivative was successfully verified.
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Rule 493
Rule 424
Rule 419
Rubi steps
\begin{align*} \int \frac{x^2}{\sqrt{1-4 x^2} \sqrt{2-3 x^2}} \, dx &=-\left (\frac{1}{3} \int \frac{\sqrt{2-3 x^2}}{\sqrt{1-4 x^2}} \, dx\right )+\frac{2}{3} \int \frac{1}{\sqrt{1-4 x^2} \sqrt{2-3 x^2}} \, dx\\ &=-\frac{E\left (\sin ^{-1}(2 x)|\frac{3}{8}\right )}{3 \sqrt{2}}+\frac{F\left (\sin ^{-1}(2 x)|\frac{3}{8}\right )}{3 \sqrt{2}}\\ \end{align*}
Mathematica [A] time = 0.0310396, size = 28, normalized size = 0.8 \[ \frac{\text{EllipticF}\left (\sin ^{-1}(2 x),\frac{3}{8}\right )-E\left (\sin ^{-1}(2 x)|\frac{3}{8}\right )}{3 \sqrt{2}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.021, size = 27, normalized size = 0.8 \begin{align*}{\frac{\sqrt{2}}{6} \left ({\it EllipticF} \left ( 2\,x,{\frac{\sqrt{6}}{4}} \right ) -{\it EllipticE} \left ( 2\,x,{\frac{\sqrt{6}}{4}} \right ) \right ) } \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{x^{2}}{\sqrt{-3 \, x^{2} + 2} \sqrt{-4 \, x^{2} + 1}}\,{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{-3 \, x^{2} + 2} \sqrt{-4 \, x^{2} + 1} x^{2}}{12 \, x^{4} - 11 \, 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{x^{2}}{\sqrt{- \left (2 x - 1\right ) \left (2 x + 1\right )} \sqrt{2 - 3 x^{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{x^{2}}{\sqrt{-3 \, x^{2} + 2} \sqrt{-4 \, x^{2} + 1}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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