Optimal. Leaf size=35 \[ \frac {1}{3} \sqrt {2} E\left (\left .\sin ^{-1}\left (\frac {x}{2}\right )\right |-6\right )-\frac {1}{3} \sqrt {2} F\left (\left .\sin ^{-1}\left (\frac {x}{2}\right )\right |-6\right ) \]
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Rubi [A]
time = 0.02, antiderivative size = 35, 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 = {507, 435, 430}
\begin {gather*} \frac {1}{3} \sqrt {2} E\left (\left .\text {ArcSin}\left (\frac {x}{2}\right )\right |-6\right )-\frac {1}{3} \sqrt {2} F\left (\left .\text {ArcSin}\left (\frac {x}{2}\right )\right |-6\right ) \end {gather*}
Antiderivative was successfully verified.
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Rule 430
Rule 435
Rule 507
Rubi steps
\begin {align*} \int \frac {x^2}{\sqrt {4-x^2} \sqrt {2+3 x^2}} \, dx &=\frac {1}{3} \int \frac {\sqrt {2+3 x^2}}{\sqrt {4-x^2}} \, dx-\frac {2}{3} \int \frac {1}{\sqrt {4-x^2} \sqrt {2+3 x^2}} \, dx\\ &=\frac {1}{3} \sqrt {2} E\left (\left .\sin ^{-1}\left (\frac {x}{2}\right )\right |-6\right )-\frac {1}{3} \sqrt {2} F\left (\left .\sin ^{-1}\left (\frac {x}{2}\right )\right |-6\right )\\ \end {align*}
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Mathematica [A]
time = 0.29, size = 28, normalized size = 0.80 \begin {gather*} \frac {1}{3} \sqrt {2} \left (E\left (\left .\sin ^{-1}\left (\frac {x}{2}\right )\right |-6\right )-F\left (\left .\sin ^{-1}\left (\frac {x}{2}\right )\right |-6\right )\right ) \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.12, size = 29, normalized size = 0.83
method | result | size |
default | \(-\frac {\left (\EllipticF \left (\frac {x}{2}, i \sqrt {6}\right )-\EllipticE \left (\frac {x}{2}, i \sqrt {6}\right )\right ) \sqrt {2}}{3}\) | \(29\) |
elliptic | \(-\frac {\sqrt {-\left (3 x^{2}+2\right ) \left (x^{2}-4\right )}\, \sqrt {6 x^{2}+4}\, \left (\EllipticF \left (\frac {x}{2}, i \sqrt {6}\right )-\EllipticE \left (\frac {x}{2}, i \sqrt {6}\right )\right )}{3 \sqrt {3 x^{2}+2}\, \sqrt {-3 x^{4}+10 x^{2}+8}}\) | \(74\) |
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 \begin {gather*} \text {Failed to integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.31, size = 23, normalized size = 0.66 \begin {gather*} -\frac {\sqrt {3 \, x^{2} + 2} \sqrt {-x^{2} + 4}}{3 \, x} \end {gather*}
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 \begin {gather*} \int \frac {x^{2}}{\sqrt {- \left (x - 2\right ) \left (x + 2\right )} \sqrt {3 x^{2} + 2}}\, dx \end {gather*}
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 \begin {gather*} \text {could not integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [F]
time = 0.00, size = -1, normalized size = -0.03 \begin {gather*} \int \frac {x^2}{\sqrt {4-x^2}\,\sqrt {3\,x^2+2}} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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