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, 222}
\begin {gather*} \text {ArcSin}(x) \end {gather*}
Antiderivative was successfully verified.
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Rule 26
Rule 222
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] Leaf count is larger than twice the leaf count of optimal. \(32\) vs. \(2(2)=4\).
time = 0.54, size = 32, normalized size = 16.00 \begin {gather*} -\tan ^{-1}\left (\frac {x \sqrt {1+x^2} \sqrt {1-x^4}}{-1+x^4}\right ) \end {gather*}
Antiderivative was successfully verified.
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Maple [B] Leaf count of result is larger than twice the leaf count of optimal. \(28\) vs.
\(2(2)=4\).
time = 0.57, size = 29, normalized size = 14.50
method | result | size |
default | \(\frac {\sqrt {-x^{4}+1}\, \arcsin \left (x \right )}{\sqrt {x^{2}+1}\, \sqrt {-x^{2}+1}}\) | \(29\) |
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 [B] Leaf count of result is larger than twice the leaf count of optimal. 27 vs.
\(2 (2) = 4\).
time = 0.36, size = 27, normalized size = 13.50 \begin {gather*} -\arctan \left (\frac {\sqrt {-x^{4} + 1} \sqrt {x^{2} + 1}}{x^{3} + x}\right ) \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 {\sqrt {x^{2} + 1}}{\sqrt {- \left (x - 1\right ) \left (x + 1\right ) \left (x^{2} + 1\right )}}\, 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 = -0.50 \begin {gather*} \int \frac {\sqrt {x^2+1}}{\sqrt {1-x^4}} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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