Integrand size = 10, antiderivative size = 47 \[ \int \left (-1+\text {csch}^2(x)\right )^{3/2} \, dx=\arctan \left (\frac {\coth (x)}{\sqrt {-2+\coth ^2(x)}}\right )+2 \text {arctanh}\left (\frac {\coth (x)}{\sqrt {-2+\coth ^2(x)}}\right )-\frac {1}{2} \coth (x) \sqrt {-2+\coth ^2(x)} \]
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Time = 0.03 (sec) , antiderivative size = 47, normalized size of antiderivative = 1.00, number of steps used = 7, number of rules used = 7, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.700, Rules used = {4213, 427, 537, 223, 212, 385, 209} \[ \int \left (-1+\text {csch}^2(x)\right )^{3/2} \, dx=\arctan \left (\frac {\coth (x)}{\sqrt {\coth ^2(x)-2}}\right )+2 \text {arctanh}\left (\frac {\coth (x)}{\sqrt {\coth ^2(x)-2}}\right )-\frac {1}{2} \coth (x) \sqrt {\coth ^2(x)-2} \]
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Rule 209
Rule 212
Rule 223
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 ) \\ & = -\frac {1}{2} \coth (x) \sqrt {-2+\coth ^2(x)}+2 \text {Subst}\left (\int \frac {1}{1-x^2} \, dx,x,\frac {\coth (x)}{\sqrt {-2+\coth ^2(x)}}\right )+\text {Subst}\left (\int \frac {1}{1+x^2} \, dx,x,\frac {\coth (x)}{\sqrt {-2+\coth ^2(x)}}\right ) \\ & = \arctan \left (\frac {\coth (x)}{\sqrt {-2+\coth ^2(x)}}\right )+2 \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 = 0.10 (sec) , antiderivative size = 90, normalized size of antiderivative = 1.91 \[ \int \left (-1+\text {csch}^2(x)\right )^{3/2} \, dx=\frac {\left (-1+\text {csch}^2(x)\right )^{3/2} \left (\sqrt {-3+\cosh (2 x)} \coth (x) \text {csch}(x)+2 \sqrt {2} \left (2 \arctan \left (\frac {\sqrt {2} \cosh (x)}{\sqrt {-3+\cosh (2 x)}}\right )+\log \left (\sqrt {2} \cosh (x)+\sqrt {-3+\cosh (2 x)}\right )\right )\right ) \sinh ^3(x)}{(-3+\cosh (2 x))^{3/2}} \]
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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. 666 vs. \(2 (39) = 78\).
Time = 0.26 (sec) , antiderivative size = 666, normalized size of antiderivative = 14.17 \[ \int \left (-1+\text {csch}^2(x)\right )^{3/2} \, dx=\text {Too large to display} \]
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\[ \int \left (-1+\text {csch}^2(x)\right )^{3/2} \, dx=\int \left (\operatorname {csch}^{2}{\left (x \right )} - 1\right )^{\frac {3}{2}}\, dx \]
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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. 412 vs. \(2 (39) = 78\).
Time = 0.39 (sec) , antiderivative size = 412, normalized size of antiderivative = 8.77 \[ \int \left (-1+\text {csch}^2(x)\right )^{3/2} \, dx=-\frac {1}{2} \, \arcsin \left (\frac {1}{4} \, \sqrt {2} {\left (e^{\left (2 \, x\right )} - 3\right )}\right ) \mathrm {sgn}\left (-e^{\left (2 \, x\right )} + 1\right ) - \arctan \left (-2 \, \sqrt {2} - \frac {3 \, {\left (2 \, \sqrt {2} - \sqrt {-e^{\left (4 \, x\right )} + 6 \, e^{\left (2 \, x\right )} - 1}\right )}}{e^{\left (2 \, x\right )} - 3}\right ) \mathrm {sgn}\left (-e^{\left (2 \, x\right )} + 1\right ) + 2 \, \log \left ({\left | -\sqrt {2} - \frac {2 \, \sqrt {2} - \sqrt {-e^{\left (4 \, x\right )} + 6 \, e^{\left (2 \, x\right )} - 1}}{e^{\left (2 \, x\right )} - 3} + 1 \right |}\right ) \mathrm {sgn}\left (-e^{\left (2 \, x\right )} + 1\right ) - 2 \, \log \left ({\left | -\sqrt {2} - \frac {2 \, \sqrt {2} - \sqrt {-e^{\left (4 \, x\right )} + 6 \, e^{\left (2 \, x\right )} - 1}}{e^{\left (2 \, x\right )} - 3} - 1 \right |}\right ) \mathrm {sgn}\left (-e^{\left (2 \, x\right )} + 1\right ) + \frac {2 \, {\left (\sqrt {2} \mathrm {sgn}\left (-e^{\left (2 \, x\right )} + 1\right ) + \frac {5 \, \sqrt {2} {\left (2 \, \sqrt {2} - \sqrt {-e^{\left (4 \, x\right )} + 6 \, e^{\left (2 \, x\right )} - 1}\right )}^{2} \mathrm {sgn}\left (-e^{\left (2 \, x\right )} + 1\right )}{{\left (e^{\left (2 \, x\right )} - 3\right )}^{2}} + \frac {3 \, {\left (2 \, \sqrt {2} - \sqrt {-e^{\left (4 \, x\right )} + 6 \, e^{\left (2 \, x\right )} - 1}\right )}^{3} \mathrm {sgn}\left (-e^{\left (2 \, x\right )} + 1\right )}{{\left (e^{\left (2 \, x\right )} - 3\right )}^{3}} + \frac {5 \, {\left (2 \, \sqrt {2} - \sqrt {-e^{\left (4 \, x\right )} + 6 \, e^{\left (2 \, x\right )} - 1}\right )} \mathrm {sgn}\left (-e^{\left (2 \, x\right )} + 1\right )}{e^{\left (2 \, x\right )} - 3}\right )}}{{\left (\frac {2 \, \sqrt {2} {\left (2 \, \sqrt {2} - \sqrt {-e^{\left (4 \, x\right )} + 6 \, e^{\left (2 \, x\right )} - 1}\right )}}{e^{\left (2 \, x\right )} - 3} + \frac {{\left (2 \, \sqrt {2} - \sqrt {-e^{\left (4 \, x\right )} + 6 \, e^{\left (2 \, x\right )} - 1}\right )}^{2}}{{\left (e^{\left (2 \, x\right )} - 3\right )}^{2}} + 1\right )}^{2}} \]
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Timed out. \[ \int \left (-1+\text {csch}^2(x)\right )^{3/2} \, dx=\int {\left (\frac {1}{{\mathrm {sinh}\left (x\right )}^2}-1\right )}^{3/2} \,d x \]
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