Integrand size = 11, antiderivative size = 8 \[ \int \frac {\text {csch}^3(x)}{1+\coth (x)} \, dx=\text {arctanh}(\cosh (x))-\text {csch}(x) \]
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Time = 0.03 (sec) , antiderivative size = 8, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.182, Rules used = {3582, 3855} \[ \int \frac {\text {csch}^3(x)}{1+\coth (x)} \, dx=\text {arctanh}(\cosh (x))-\text {csch}(x) \]
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Rule 3582
Rule 3855
Rubi steps \begin{align*} \text {integral}& = -\text {csch}(x)-\int \text {csch}(x) \, dx \\ & = \text {arctanh}(\cosh (x))-\text {csch}(x) \\ \end{align*}
Leaf count is larger than twice the leaf count of optimal. \(21\) vs. \(2(8)=16\).
Time = 0.32 (sec) , antiderivative size = 21, normalized size of antiderivative = 2.62 \[ \int \frac {\text {csch}^3(x)}{1+\coth (x)} \, dx=-\text {csch}(x)+\log \left (\cosh \left (\frac {x}{2}\right )\right )-\log \left (\sinh \left (\frac {x}{2}\right )\right ) \]
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Leaf count of result is larger than twice the leaf count of optimal. \(22\) vs. \(2(8)=16\).
Time = 0.31 (sec) , antiderivative size = 23, normalized size of antiderivative = 2.88
method | result | size |
default | \(\frac {\tanh \left (\frac {x}{2}\right )}{2}-\frac {1}{2 \tanh \left (\frac {x}{2}\right )}-\ln \left (\tanh \left (\frac {x}{2}\right )\right )\) | \(23\) |
risch | \(-\frac {2 \,{\mathrm e}^{x}}{{\mathrm e}^{2 x}-1}+\ln \left ({\mathrm e}^{x}+1\right )-\ln \left ({\mathrm e}^{x}-1\right )\) | \(26\) |
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Leaf count of result is larger than twice the leaf count of optimal. 77 vs. \(2 (8) = 16\).
Time = 0.25 (sec) , antiderivative size = 77, normalized size of antiderivative = 9.62 \[ \int \frac {\text {csch}^3(x)}{1+\coth (x)} \, dx=\frac {{\left (\cosh \left (x\right )^{2} + 2 \, \cosh \left (x\right ) \sinh \left (x\right ) + \sinh \left (x\right )^{2} - 1\right )} \log \left (\cosh \left (x\right ) + \sinh \left (x\right ) + 1\right ) - {\left (\cosh \left (x\right )^{2} + 2 \, \cosh \left (x\right ) \sinh \left (x\right ) + \sinh \left (x\right )^{2} - 1\right )} \log \left (\cosh \left (x\right ) + \sinh \left (x\right ) - 1\right ) - 2 \, \cosh \left (x\right ) - 2 \, \sinh \left (x\right )}{\cosh \left (x\right )^{2} + 2 \, \cosh \left (x\right ) \sinh \left (x\right ) + \sinh \left (x\right )^{2} - 1} \]
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\[ \int \frac {\text {csch}^3(x)}{1+\coth (x)} \, dx=\int \frac {\operatorname {csch}^{3}{\left (x \right )}}{\coth {\left (x \right )} + 1}\, dx \]
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Leaf count of result is larger than twice the leaf count of optimal. 31 vs. \(2 (8) = 16\).
Time = 0.18 (sec) , antiderivative size = 31, normalized size of antiderivative = 3.88 \[ \int \frac {\text {csch}^3(x)}{1+\coth (x)} \, dx=\frac {2 \, e^{\left (-x\right )}}{e^{\left (-2 \, x\right )} - 1} + \log \left (e^{\left (-x\right )} + 1\right ) - \log \left (e^{\left (-x\right )} - 1\right ) \]
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Leaf count of result is larger than twice the leaf count of optimal. 26 vs. \(2 (8) = 16\).
Time = 0.28 (sec) , antiderivative size = 26, normalized size of antiderivative = 3.25 \[ \int \frac {\text {csch}^3(x)}{1+\coth (x)} \, dx=-\frac {2 \, e^{x}}{e^{\left (2 \, x\right )} - 1} + \log \left (e^{x} + 1\right ) - \log \left ({\left | e^{x} - 1 \right |}\right ) \]
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Time = 0.08 (sec) , antiderivative size = 29, normalized size of antiderivative = 3.62 \[ \int \frac {\text {csch}^3(x)}{1+\coth (x)} \, dx=\ln \left (2\,{\mathrm {e}}^x+2\right )-\ln \left (2\,{\mathrm {e}}^x-2\right )-\frac {2\,{\mathrm {e}}^x}{{\mathrm {e}}^{2\,x}-1} \]
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