Optimal. Leaf size=11 \[ -i E(i x|-1) \]
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Rubi [A] time = 0.01, antiderivative size = 11, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, integrand size = 12, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.083, Rules used = {3177} \[ -i E(i x|-1) \]
Antiderivative was successfully verified.
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Rule 3177
Rubi steps
\begin {align*} \int \sqrt {1-\sinh ^2(x)} \, dx &=-i E(i x|-1)\\ \end {align*}
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Mathematica [A] time = 0.02, size = 11, normalized size = 1.00 \[ -i E(i x|-1) \]
Antiderivative was successfully verified.
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fricas [F] time = 1.88, size = 0, normalized size = 0.00 \[ {\rm integral}\left (\sqrt {-\sinh \relax (x)^{2} + 1}, x\right ) \]
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 \[ \int \sqrt {-\sinh \relax (x)^{2} + 1}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [B] time = 0.12, size = 51, normalized size = 4.64 \[ \frac {\sqrt {-\left (-1+\sinh ^{2}\relax (x )\right ) \left (\cosh ^{2}\relax (x )\right )}\, \sqrt {\frac {\cosh \left (2 x \right )}{2}+\frac {1}{2}}\, \left (2 \EllipticF \left (\sinh \relax (x ), i\right )-\EllipticE \left (\sinh \relax (x ), i\right )\right )}{\sqrt {1-\left (\sinh ^{4}\relax (x )\right )}\, \cosh \relax (x )} \]
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 \[ \int \sqrt {-\sinh \relax (x)^{2} + 1}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [F] time = 0.00, size = -1, normalized size = -0.09 \[ \int \sqrt {1-{\mathrm {sinh}\relax (x)}^2} \,d x \]
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 \[ \int \sqrt {1 - \sinh ^{2}{\relax (x )}}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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