Integrand size = 12, antiderivative size = 46 \[ \int \left (1-\text {csch}^2(x)\right )^{3/2} \, dx=2 \arcsin \left (\frac {\coth (x)}{\sqrt {2}}\right )+\text {arctanh}\left (\frac {\coth (x)}{\sqrt {2-\coth ^2(x)}}\right )+\frac {1}{2} \coth (x) \sqrt {2-\coth ^2(x)} \]
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Time = 0.03 (sec) , antiderivative size = 46, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 6, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.500, Rules used = {4213, 427, 537, 222, 385, 212} \[ \int \left (1-\text {csch}^2(x)\right )^{3/2} \, dx=2 \arcsin \left (\frac {\coth (x)}{\sqrt {2}}\right )+\text {arctanh}\left (\frac {\coth (x)}{\sqrt {2-\coth ^2(x)}}\right )+\frac {1}{2} \coth (x) \sqrt {2-\coth ^2(x)} \]
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Rule 212
Rule 222
Rule 385
Rule 427
Rule 537
Rule 4213
Rubi steps \begin{align*} \text {integral}& = \text {Subst}\left (\int \frac {\left (2-x^2\right )^{3/2}}{1-x^2} \, dx,x,\coth (x)\right ) \\ & = \frac {1}{2} \coth (x) \sqrt {2-\coth ^2(x)}-\frac {1}{2} \text {Subst}\left (\int \frac {-6+4 x^2}{\left (1-x^2\right ) \sqrt {2-x^2}} \, dx,x,\coth (x)\right ) \\ & = \frac {1}{2} \coth (x) \sqrt {2-\coth ^2(x)}+2 \text {Subst}\left (\int \frac {1}{\sqrt {2-x^2}} \, dx,x,\coth (x)\right )+\text {Subst}\left (\int \frac {1}{\left (1-x^2\right ) \sqrt {2-x^2}} \, dx,x,\coth (x)\right ) \\ & = 2 \arcsin \left (\frac {\coth (x)}{\sqrt {2}}\right )+\frac {1}{2} \coth (x) \sqrt {2-\coth ^2(x)}+\text {Subst}\left (\int \frac {1}{1-x^2} \, dx,x,\frac {\coth (x)}{\sqrt {2-\coth ^2(x)}}\right ) \\ & = 2 \arcsin \left (\frac {\coth (x)}{\sqrt {2}}\right )+\text {arctanh}\left (\frac {\coth (x)}{\sqrt {2-\coth ^2(x)}}\right )+\frac {1}{2} \coth (x) \sqrt {2-\coth ^2(x)} \\ \end{align*}
Time = 0.20 (sec) , antiderivative size = 92, normalized size of antiderivative = 2.00 \[ \int \left (1-\text {csch}^2(x)\right )^{3/2} \, dx=\frac {\left (1-\text {csch}^2(x)\right )^{3/2} \left (\sqrt {-3+\cosh (2 x)} \coth (x) \text {csch}(x)+2 \sqrt {2} \left (2 \arctan \left (\frac {\sqrt {2} \cosh (x)}{\sqrt {-3+\cosh (2 x)}}\right )+\log \left (\sqrt {2} \cosh (x)+\sqrt {-3+\cosh (2 x)}\right )\right )\right ) \sinh ^3(x)}{(-3+\cosh (2 x))^{3/2}} \]
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\[\int \left (1-\operatorname {csch}\left (x \right )^{2}\right )^{\frac {3}{2}}d x\]
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Leaf count of result is larger than twice the leaf count of optimal. 528 vs. \(2 (39) = 78\).
Time = 0.26 (sec) , antiderivative size = 528, normalized size of antiderivative = 11.48 \[ \int \left (1-\text {csch}^2(x)\right )^{3/2} \, dx=\text {Too large to display} \]
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\[ \int \left (1-\text {csch}^2(x)\right )^{3/2} \, dx=\int \left (1 - \operatorname {csch}^{2}{\left (x \right )}\right )^{\frac {3}{2}}\, dx \]
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\[ \int \left (1-\text {csch}^2(x)\right )^{3/2} \, dx=\int { {\left (-\operatorname {csch}\left (x\right )^{2} + 1\right )}^{\frac {3}{2}} \,d x } \]
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Leaf count of result is larger than twice the leaf count of optimal. 253 vs. \(2 (39) = 78\).
Time = 0.32 (sec) , antiderivative size = 253, normalized size of antiderivative = 5.50 \[ \int \left (1-\text {csch}^2(x)\right )^{3/2} \, dx=-4 \, \arctan \left (\frac {1}{2} \, \sqrt {e^{\left (4 \, x\right )} - 6 \, e^{\left (2 \, x\right )} + 1} - \frac {1}{2} \, e^{\left (2 \, x\right )} + \frac {1}{2}\right ) \mathrm {sgn}\left (e^{\left (2 \, x\right )} - 1\right ) - \frac {1}{2} \, \log \left (-\sqrt {e^{\left (4 \, x\right )} - 6 \, e^{\left (2 \, x\right )} + 1} + e^{\left (2 \, x\right )} + 1\right ) \mathrm {sgn}\left (e^{\left (2 \, x\right )} - 1\right ) - \frac {1}{2} \, \log \left ({\left | \sqrt {e^{\left (4 \, x\right )} - 6 \, e^{\left (2 \, x\right )} + 1} - e^{\left (2 \, x\right )} + 3 \right |}\right ) \mathrm {sgn}\left (e^{\left (2 \, x\right )} - 1\right ) + \frac {1}{2} \, \log \left ({\left | \sqrt {e^{\left (4 \, x\right )} - 6 \, e^{\left (2 \, x\right )} + 1} - e^{\left (2 \, x\right )} + 1 \right |}\right ) \mathrm {sgn}\left (e^{\left (2 \, x\right )} - 1\right ) + \frac {16 \, {\left ({\left (\sqrt {e^{\left (4 \, x\right )} - 6 \, e^{\left (2 \, x\right )} + 1} - e^{\left (2 \, x\right )}\right )}^{2} \mathrm {sgn}\left (e^{\left (2 \, x\right )} - 1\right ) + 2 \, {\left (\sqrt {e^{\left (4 \, x\right )} - 6 \, e^{\left (2 \, x\right )} + 1} - e^{\left (2 \, x\right )}\right )} \mathrm {sgn}\left (e^{\left (2 \, x\right )} - 1\right ) + \mathrm {sgn}\left (e^{\left (2 \, x\right )} - 1\right )\right )}}{{\left ({\left (\sqrt {e^{\left (4 \, x\right )} - 6 \, e^{\left (2 \, x\right )} + 1} - e^{\left (2 \, x\right )}\right )}^{2} + 2 \, \sqrt {e^{\left (4 \, x\right )} - 6 \, e^{\left (2 \, x\right )} + 1} - 2 \, e^{\left (2 \, x\right )} + 5\right )}^{2}} \]
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Timed out. \[ \int \left (1-\text {csch}^2(x)\right )^{3/2} \, dx=\int {\left (1-\frac {1}{{\mathrm {sinh}\left (x\right )}^2}\right )}^{3/2} \,d x \]
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