Optimal. Leaf size=42 \[ \frac{E\left (\sin ^{-1}\left (\sqrt{\frac{3}{2}} x\right )|-\frac{2}{3}\right )}{\sqrt{3}}-\frac{\text{EllipticF}\left (\sin ^{-1}\left (\sqrt{\frac{3}{2}} x\right ),-\frac{2}{3}\right )}{\sqrt{3}} \]
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Rubi [A] time = 0.0282783, antiderivative size = 42, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 3, integrand size = 24, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.125, Rules used = {493, 424, 419} \[ \frac{E\left (\sin ^{-1}\left (\sqrt{\frac{3}{2}} x\right )|-\frac{2}{3}\right )}{\sqrt{3}}-\frac{F\left (\sin ^{-1}\left (\sqrt{\frac{3}{2}} x\right )|-\frac{2}{3}\right )}{\sqrt{3}} \]
Antiderivative was successfully verified.
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Rule 493
Rule 424
Rule 419
Rubi steps
\begin{align*} \int \frac{x^2}{\sqrt{2-3 x^2} \sqrt{1+x^2}} \, dx &=-\int \frac{1}{\sqrt{2-3 x^2} \sqrt{1+x^2}} \, dx+\int \frac{\sqrt{1+x^2}}{\sqrt{2-3 x^2}} \, dx\\ &=\frac{E\left (\sin ^{-1}\left (\sqrt{\frac{3}{2}} x\right )|-\frac{2}{3}\right )}{\sqrt{3}}-\frac{F\left (\sin ^{-1}\left (\sqrt{\frac{3}{2}} x\right )|-\frac{2}{3}\right )}{\sqrt{3}}\\ \end{align*}
Mathematica [A] time = 0.029042, size = 37, normalized size = 0.88 \[ \frac{E\left (\sin ^{-1}\left (\sqrt{\frac{3}{2}} x\right )|-\frac{2}{3}\right )-\text{EllipticF}\left (\sin ^{-1}\left (\sqrt{\frac{3}{2}} x\right ),-\frac{2}{3}\right )}{\sqrt{3}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.017, size = 35, normalized size = 0.8 \begin{align*} -{\frac{\sqrt{3}}{3} \left ({\it EllipticF} \left ({\frac{x\sqrt{6}}{2}},{\frac{i}{3}}\sqrt{6} \right ) -{\it EllipticE} \left ({\frac{x\sqrt{6}}{2}},{\frac{i}{3}}\sqrt{6} \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{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{x^{2} + 1} \sqrt{-3 \, x^{2} + 2} x^{2}}{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{x^{2}}{\sqrt{2 - 3 x^{2}} \sqrt{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{x^{2}}{\sqrt{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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