Optimal. Leaf size=24 \[ \frac{1}{2} \sin ^{-1}(\coth (x))+\frac{1}{2} \coth (x) \sqrt{-\text{csch}^2(x)} \]
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Rubi [A] time = 0.0115918, antiderivative size = 24, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 3, integrand size = 10, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.3, Rules used = {4122, 195, 216} \[ \frac{1}{2} \sin ^{-1}(\coth (x))+\frac{1}{2} \coth (x) \sqrt{-\text{csch}^2(x)} \]
Antiderivative was successfully verified.
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Rule 4122
Rule 195
Rule 216
Rubi steps
\begin{align*} \int \left (-\text{csch}^2(x)\right )^{3/2} \, dx &=\operatorname{Subst}\left (\int \sqrt{1-x^2} \, dx,x,\coth (x)\right )\\ &=\frac{1}{2} \coth (x) \sqrt{-\text{csch}^2(x)}+\frac{1}{2} \operatorname{Subst}\left (\int \frac{1}{\sqrt{1-x^2}} \, dx,x,\coth (x)\right )\\ &=\frac{1}{2} \sin ^{-1}(\coth (x))+\frac{1}{2} \coth (x) \sqrt{-\text{csch}^2(x)}\\ \end{align*}
Mathematica [A] time = 0.0586266, size = 41, normalized size = 1.71 \[ \frac{1}{4} \text{csch}\left (\frac{x}{2}\right ) \sqrt{-\text{csch}^2(x)} \text{sech}\left (\frac{x}{2}\right ) \left (\cosh (x)+\sinh ^2(x) \log \left (\tanh \left (\frac{x}{2}\right )\right )\right ) \]
Antiderivative was successfully verified.
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Maple [B] time = 0.043, size = 99, normalized size = 4.1 \begin{align*}{\frac{{{\rm e}^{2\,x}}+1}{{{\rm e}^{2\,x}}-1}\sqrt{-{\frac{{{\rm e}^{2\,x}}}{ \left ({{\rm e}^{2\,x}}-1 \right ) ^{2}}}}}+{\frac{{{\rm e}^{-x}} \left ({{\rm e}^{2\,x}}-1 \right ) \ln \left ({{\rm e}^{x}}-1 \right ) }{2}\sqrt{-{\frac{{{\rm e}^{2\,x}}}{ \left ({{\rm e}^{2\,x}}-1 \right ) ^{2}}}}}-{\frac{{{\rm e}^{-x}} \left ({{\rm e}^{2\,x}}-1 \right ) \ln \left ({{\rm e}^{x}}+1 \right ) }{2}\sqrt{-{\frac{{{\rm e}^{2\,x}}}{ \left ({{\rm e}^{2\,x}}-1 \right ) ^{2}}}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [C] time = 1.69098, size = 66, normalized size = 2.75 \begin{align*} \frac{i \, e^{\left (-x\right )} + i \, e^{\left (-3 \, x\right )}}{2 \, e^{\left (-2 \, x\right )} - e^{\left (-4 \, x\right )} - 1} + \frac{1}{2} i \, \log \left (e^{\left (-x\right )} + 1\right ) - \frac{1}{2} i \, \log \left (e^{\left (-x\right )} - 1\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [C] time = 1.52588, size = 197, normalized size = 8.21 \begin{align*} \frac{{\left (-i \, e^{\left (4 \, x\right )} + 2 i \, e^{\left (2 \, x\right )} - i\right )} \log \left (e^{x} + 1\right ) +{\left (i \, e^{\left (4 \, x\right )} - 2 i \, e^{\left (2 \, x\right )} + i\right )} \log \left (e^{x} - 1\right ) + 2 i \, e^{\left (3 \, x\right )} + 2 i \, e^{x}}{2 \,{\left (e^{\left (4 \, x\right )} - 2 \, e^{\left (2 \, x\right )} + 1\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \left (- \operatorname{csch}^{2}{\left (x \right )}\right )^{\frac{3}{2}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [C] time = 1.13772, size = 77, normalized size = 3.21 \begin{align*} -\frac{1}{4} \,{\left (\frac{4 i \,{\left (e^{\left (-x\right )} + e^{x}\right )}}{{\left (e^{\left (-x\right )} + e^{x}\right )}^{2} - 4} - i \, \log \left (e^{\left (-x\right )} + e^{x} + 2\right ) + i \, \log \left (e^{\left (-x\right )} + e^{x} - 2\right )\right )} \mathrm{sgn}\left (-e^{\left (3 \, x\right )} + e^{x}\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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