Optimal. Leaf size=2 \[ \sin ^{-1}(x) \]
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Rubi [A] time = 0.00, antiderivative size = 2, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, integrand size = 21, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.095, Rules used = {26, 216} \[ \sin ^{-1}(x) \]
Antiderivative was successfully verified.
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Rule 26
Rule 216
Rubi steps
\begin {align*} \int \frac {\sqrt {1+x^2}}{\sqrt {1-x^4}} \, dx &=\int \frac {1}{\sqrt {1-x^2}} \, dx\\ &=\sin ^{-1}(x)\\ \end {align*}
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Mathematica [B] time = 0.03, size = 32, normalized size = 16.00 \[ -\tan ^{-1}\left (\frac {x \sqrt {x^2+1} \sqrt {1-x^4}}{x^4-1}\right ) \]
Antiderivative was successfully verified.
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fricas [B] time = 0.43, size = 27, normalized size = 13.50 \[ -\arctan \left (\frac {\sqrt {-x^{4} + 1} \sqrt {x^{2} + 1}}{x^{3} + x}\right ) \]
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 \[ \int \frac {\sqrt {x^{2} + 1}}{\sqrt {-x^{4} + 1}}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [B] time = 0.02, size = 29, normalized size = 14.50 \[ \frac {\sqrt {-x^{4}+1}\, \arcsin \relax (x )}{\sqrt {x^{2}+1}\, \sqrt {-x^{2}+1}} \]
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 \[ \int \frac {\sqrt {x^{2} + 1}}{\sqrt {-x^{4} + 1}}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [F] time = 0.00, size = -1, normalized size = -0.50 \[ \int \frac {\sqrt {x^2+1}}{\sqrt {1-x^4}} \,d x \]
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 \[ \int \frac {\sqrt {x^{2} + 1}}{\sqrt {- \left (x - 1\right ) \left (x + 1\right ) \left (x^{2} + 1\right )}}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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