Optimal. Leaf size=10 \[ \frac {F\left (\left .\sin ^{-1}(x)\right |2\right )}{\sqrt {2}} \]
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Rubi [A]
time = 0.00, antiderivative size = 10, normalized size of antiderivative = 1.00, number of steps
used = 1, number of rules used = 1, integrand size = 23, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.043, Rules used = {430}
\begin {gather*} \frac {F(\text {ArcSin}(x)|2)}{\sqrt {2}} \end {gather*}
Antiderivative was successfully verified.
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Rule 430
Rubi steps
\begin {align*} \int \frac {1}{\sqrt {2-4 x^2} \sqrt {1-x^2}} \, dx &=\frac {F\left (\left .\sin ^{-1}(x)\right |2\right )}{\sqrt {2}}\\ \end {align*}
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Mathematica [A]
time = 0.06, size = 10, normalized size = 1.00 \begin {gather*} \frac {F\left (\left .\sin ^{-1}(x)\right |2\right )}{\sqrt {2}} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.10, size = 11, normalized size = 1.10
method | result | size |
default | \(\frac {\EllipticF \left (x , \sqrt {2}\right ) \sqrt {2}}{2}\) | \(11\) |
elliptic | \(\frac {\sqrt {\left (2 x^{2}-1\right ) \left (x^{2}-1\right )}\, \EllipticF \left (x , \sqrt {2}\right )}{\sqrt {4 x^{4}-6 x^{2}+2}}\) | \(36\) |
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 = 0.18, size = 8, normalized size = 0.80 \begin {gather*} \frac {1}{2} \, \sqrt {2} {\rm ellipticF}\left (x, 2\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 1.86, size = 39, normalized size = 3.90 \begin {gather*} \frac {\sqrt {2} \left (\begin {cases} \frac {\sqrt {2} F\left (\operatorname {asin}{\left (\sqrt {2} x \right )}\middle | \frac {1}{2}\right )}{2} & \text {for}\: x > - \frac {\sqrt {2}}{2} \wedge x < \frac {\sqrt {2}}{2} \end {cases}\right )}{2} \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 = -0.10 \begin {gather*} \int \frac {1}{\sqrt {1-x^2}\,\sqrt {2-4\,x^2}} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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