Integrand size = 8, antiderivative size = 45 \[ \int (1+\coth (x))^{5/2} \, dx=4 \sqrt {2} \text {arctanh}\left (\frac {\sqrt {1+\coth (x)}}{\sqrt {2}}\right )-4 \sqrt {1+\coth (x)}-\frac {2}{3} (1+\coth (x))^{3/2} \]
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Time = 0.03 (sec) , antiderivative size = 45, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.375, Rules used = {3559, 3561, 212} \[ \int (1+\coth (x))^{5/2} \, dx=4 \sqrt {2} \text {arctanh}\left (\frac {\sqrt {\coth (x)+1}}{\sqrt {2}}\right )-\frac {2}{3} (\coth (x)+1)^{3/2}-4 \sqrt {\coth (x)+1} \]
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Rule 212
Rule 3559
Rule 3561
Rubi steps \begin{align*} \text {integral}& = -\frac {2}{3} (1+\coth (x))^{3/2}+2 \int (1+\coth (x))^{3/2} \, dx \\ & = -4 \sqrt {1+\coth (x)}-\frac {2}{3} (1+\coth (x))^{3/2}+4 \int \sqrt {1+\coth (x)} \, dx \\ & = -4 \sqrt {1+\coth (x)}-\frac {2}{3} (1+\coth (x))^{3/2}+8 \text {Subst}\left (\int \frac {1}{2-x^2} \, dx,x,\sqrt {1+\coth (x)}\right ) \\ & = 4 \sqrt {2} \text {arctanh}\left (\frac {\sqrt {1+\coth (x)}}{\sqrt {2}}\right )-4 \sqrt {1+\coth (x)}-\frac {2}{3} (1+\coth (x))^{3/2} \\ \end{align*}
Time = 0.70 (sec) , antiderivative size = 39, normalized size of antiderivative = 0.87 \[ \int (1+\coth (x))^{5/2} \, dx=4 \sqrt {2} \text {arctanh}\left (\frac {\sqrt {1+\coth (x)}}{\sqrt {2}}\right )-\frac {2}{3} \sqrt {1+\coth (x)} (7+\coth (x)) \]
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Time = 0.09 (sec) , antiderivative size = 35, normalized size of antiderivative = 0.78
method | result | size |
derivativedivides | \(-\frac {2 \left (1+\coth \left (x \right )\right )^{\frac {3}{2}}}{3}+4 \,\operatorname {arctanh}\left (\frac {\sqrt {1+\coth \left (x \right )}\, \sqrt {2}}{2}\right ) \sqrt {2}-4 \sqrt {1+\coth \left (x \right )}\) | \(35\) |
default | \(-\frac {2 \left (1+\coth \left (x \right )\right )^{\frac {3}{2}}}{3}+4 \,\operatorname {arctanh}\left (\frac {\sqrt {1+\coth \left (x \right )}\, \sqrt {2}}{2}\right ) \sqrt {2}-4 \sqrt {1+\coth \left (x \right )}\) | \(35\) |
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Leaf count of result is larger than twice the leaf count of optimal. 259 vs. \(2 (34) = 68\).
Time = 0.27 (sec) , antiderivative size = 259, normalized size of antiderivative = 5.76 \[ \int (1+\coth (x))^{5/2} \, dx=-\frac {2 \, {\left (2 \, \sqrt {2} {\left (4 \, \sqrt {2} \cosh \left (x\right )^{3} + 12 \, \sqrt {2} \cosh \left (x\right ) \sinh \left (x\right )^{2} + 4 \, \sqrt {2} \sinh \left (x\right )^{3} + 3 \, {\left (4 \, \sqrt {2} \cosh \left (x\right )^{2} - \sqrt {2}\right )} \sinh \left (x\right ) - 3 \, \sqrt {2} \cosh \left (x\right )\right )} \sqrt {\frac {\sinh \left (x\right )}{\cosh \left (x\right ) - \sinh \left (x\right )}} - 3 \, {\left (\sqrt {2} \cosh \left (x\right )^{4} + 4 \, \sqrt {2} \cosh \left (x\right ) \sinh \left (x\right )^{3} + \sqrt {2} \sinh \left (x\right )^{4} + 2 \, {\left (3 \, \sqrt {2} \cosh \left (x\right )^{2} - \sqrt {2}\right )} \sinh \left (x\right )^{2} - 2 \, \sqrt {2} \cosh \left (x\right )^{2} + 4 \, {\left (\sqrt {2} \cosh \left (x\right )^{3} - \sqrt {2} \cosh \left (x\right )\right )} \sinh \left (x\right ) + \sqrt {2}\right )} \log \left (2 \, \sqrt {2} \sqrt {\frac {\sinh \left (x\right )}{\cosh \left (x\right ) - \sinh \left (x\right )}} {\left (\cosh \left (x\right ) + \sinh \left (x\right )\right )} + 2 \, \cosh \left (x\right )^{2} + 4 \, \cosh \left (x\right ) \sinh \left (x\right ) + 2 \, \sinh \left (x\right )^{2} - 1\right )\right )}}{3 \, {\left (\cosh \left (x\right )^{4} + 4 \, \cosh \left (x\right ) \sinh \left (x\right )^{3} + \sinh \left (x\right )^{4} + 2 \, {\left (3 \, \cosh \left (x\right )^{2} - 1\right )} \sinh \left (x\right )^{2} - 2 \, \cosh \left (x\right )^{2} + 4 \, {\left (\cosh \left (x\right )^{3} - \cosh \left (x\right )\right )} \sinh \left (x\right ) + 1\right )}} \]
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\[ \int (1+\coth (x))^{5/2} \, dx=\int \left (\coth {\left (x \right )} + 1\right )^{\frac {5}{2}}\, dx \]
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\[ \int (1+\coth (x))^{5/2} \, dx=\int { {\left (\coth \left (x\right ) + 1\right )}^{\frac {5}{2}} \,d x } \]
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Leaf count of result is larger than twice the leaf count of optimal. 112 vs. \(2 (34) = 68\).
Time = 0.29 (sec) , antiderivative size = 112, normalized size of antiderivative = 2.49 \[ \int (1+\coth (x))^{5/2} \, dx=-\frac {2}{3} \, \sqrt {2} {\left (\frac {2 \, {\left (6 \, {\left (\sqrt {e^{\left (4 \, x\right )} - e^{\left (2 \, x\right )}} - e^{\left (2 \, x\right )}\right )}^{2} + 9 \, \sqrt {e^{\left (4 \, x\right )} - e^{\left (2 \, x\right )}} - 9 \, e^{\left (2 \, x\right )} + 4\right )}}{{\left (\sqrt {e^{\left (4 \, x\right )} - e^{\left (2 \, x\right )}} - e^{\left (2 \, x\right )} + 1\right )}^{3}} + 3 \, \log \left ({\left | 2 \, \sqrt {e^{\left (4 \, x\right )} - e^{\left (2 \, x\right )}} - 2 \, e^{\left (2 \, x\right )} + 1 \right |}\right )\right )} \mathrm {sgn}\left (e^{\left (2 \, x\right )} - 1\right ) \]
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Time = 1.88 (sec) , antiderivative size = 54, normalized size of antiderivative = 1.20 \[ \int (1+\coth (x))^{5/2} \, dx=\sqrt {8}\,\ln \left (-2\,\sqrt {8}\,\sqrt {\mathrm {coth}\left (x\right )+1}-8\right )-\frac {2\,{\left (\mathrm {coth}\left (x\right )+1\right )}^{3/2}}{3}-2\,\sqrt {2}\,\ln \left (4\,\sqrt {2}\,\sqrt {\mathrm {coth}\left (x\right )+1}-8\right )-4\,\sqrt {\mathrm {coth}\left (x\right )+1} \]
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