Optimal. Leaf size=47 \[ \frac {E\left (\sin ^{-1}\left (\sqrt {\frac {3}{2}} x\right )|-\frac {8}{3}\right )}{4 \sqrt {3}}-\frac {F\left (\sin ^{-1}\left (\sqrt {\frac {3}{2}} x\right )|-\frac {8}{3}\right )}{4 \sqrt {3}} \]
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Rubi [A] time = 0.03, antiderivative size = 47, normalized size of antiderivative = 1.00, 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} \[ \frac {E\left (\sin ^{-1}\left (\sqrt {\frac {3}{2}} x\right )|-\frac {8}{3}\right )}{4 \sqrt {3}}-\frac {F\left (\sin ^{-1}\left (\sqrt {\frac {3}{2}} x\right )|-\frac {8}{3}\right )}{4 \sqrt {3}} \]
Antiderivative was successfully verified.
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Rule 419
Rule 424
Rule 493
Rubi steps
\begin {align*} \int \frac {x^2}{\sqrt {2-3 x^2} \sqrt {1+4 x^2}} \, dx &=-\left (\frac {1}{4} \int \frac {1}{\sqrt {2-3 x^2} \sqrt {1+4 x^2}} \, dx\right )+\frac {1}{4} \int \frac {\sqrt {1+4 x^2}}{\sqrt {2-3 x^2}} \, dx\\ &=\frac {E\left (\sin ^{-1}\left (\sqrt {\frac {3}{2}} x\right )|-\frac {8}{3}\right )}{4 \sqrt {3}}-\frac {F\left (\sin ^{-1}\left (\sqrt {\frac {3}{2}} x\right )|-\frac {8}{3}\right )}{4 \sqrt {3}}\\ \end {align*}
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Mathematica [A] time = 0.03, size = 40, normalized size = 0.85 \[ \frac {E\left (\sin ^{-1}\left (\sqrt {\frac {3}{2}} x\right )|-\frac {8}{3}\right )-F\left (\sin ^{-1}\left (\sqrt {\frac {3}{2}} x\right )|-\frac {8}{3}\right )}{4 \sqrt {3}} \]
Antiderivative was successfully verified.
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fricas [F] time = 0.65, size = 0, normalized size = 0.00 \[ {\rm integral}\left (-\frac {\sqrt {4 \, x^{2} + 1} \sqrt {-3 \, x^{2} + 2} x^{2}}{12 \, x^{4} - 5 \, x^{2} - 2}, x\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {x^{2}}{\sqrt {4 \, x^{2} + 1} \sqrt {-3 \, x^{2} + 2}}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.04, size = 35, normalized size = 0.74 \[ -\frac {\sqrt {3}\, \left (-\EllipticE \left (\frac {\sqrt {6}\, x}{2}, \frac {2 i \sqrt {6}}{3}\right )+\EllipticF \left (\frac {\sqrt {6}\, x}{2}, \frac {2 i \sqrt {6}}{3}\right )\right )}{12} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {x^{2}}{\sqrt {4 \, x^{2} + 1} \sqrt {-3 \, x^{2} + 2}}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [F] time = 0.00, size = -1, normalized size = -0.02 \[ \int \frac {x^2}{\sqrt {2-3\,x^2}\,\sqrt {4\,x^2+1}} \,d x \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {x^{2}}{\sqrt {2 - 3 x^{2}} \sqrt {4 x^{2} + 1}}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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