Integrand size = 11, antiderivative size = 29 \[ \int \frac {\sinh ^3(x)}{1+\coth (x)} \, dx=-\frac {4 \cosh (x)}{5}+\frac {4 \cosh ^3(x)}{15}-\frac {\sinh ^3(x)}{5 (1+\coth (x))} \]
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Time = 0.03 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.182, Rules used = {3583, 2713} \[ \int \frac {\sinh ^3(x)}{1+\coth (x)} \, dx=\frac {4 \cosh ^3(x)}{15}-\frac {4 \cosh (x)}{5}-\frac {\sinh ^3(x)}{5 (\coth (x)+1)} \]
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Rule 2713
Rule 3583
Rubi steps \begin{align*} \text {integral}& = -\frac {\sinh ^3(x)}{5 (1+\coth (x))}+\frac {4}{5} \int \sinh ^3(x) \, dx \\ & = -\frac {\sinh ^3(x)}{5 (1+\coth (x))}-\frac {4}{5} \text {Subst}\left (\int \left (1-x^2\right ) \, dx,x,\cosh (x)\right ) \\ & = -\frac {4 \cosh (x)}{5}+\frac {4 \cosh ^3(x)}{15}-\frac {\sinh ^3(x)}{5 (1+\coth (x))} \\ \end{align*}
Time = 0.23 (sec) , antiderivative size = 36, normalized size of antiderivative = 1.24 \[ \int \frac {\sinh ^3(x)}{1+\coth (x)} \, dx=\frac {\text {csch}(x) (-45-20 \cosh (2 x)+\cosh (4 x)-40 \sinh (2 x)+4 \sinh (4 x))}{120 (1+\coth (x))} \]
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Time = 0.56 (sec) , antiderivative size = 30, normalized size of antiderivative = 1.03
method | result | size |
risch | \(\frac {{\mathrm e}^{3 x}}{48}-\frac {{\mathrm e}^{x}}{4}-\frac {3 \,{\mathrm e}^{-x}}{8}+\frac {{\mathrm e}^{-3 x}}{12}-\frac {{\mathrm e}^{-5 x}}{80}\) | \(30\) |
parallelrisch | \(-\frac {8}{15}-\frac {5 \cosh \left (x \right )}{8}+\frac {\sinh \left (x \right )}{8}+\frac {\sinh \left (5 x \right )}{80}+\frac {5 \cosh \left (3 x \right )}{48}-\frac {\cosh \left (5 x \right )}{80}-\frac {\sinh \left (3 x \right )}{16}\) | \(35\) |
default | \(-\frac {2}{5 \left (\tanh \left (\frac {x}{2}\right )+1\right )^{5}}+\frac {1}{\left (\tanh \left (\frac {x}{2}\right )+1\right )^{4}}-\frac {1}{3 \left (\tanh \left (\frac {x}{2}\right )+1\right )^{3}}-\frac {1}{2 \left (\tanh \left (\frac {x}{2}\right )+1\right )^{2}}-\frac {3}{8 \left (\tanh \left (\frac {x}{2}\right )+1\right )}-\frac {1}{6 \left (\tanh \left (\frac {x}{2}\right )-1\right )^{3}}-\frac {1}{4 \left (\tanh \left (\frac {x}{2}\right )-1\right )^{2}}+\frac {3}{8 \left (\tanh \left (\frac {x}{2}\right )-1\right )}\) | \(80\) |
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Leaf count of result is larger than twice the leaf count of optimal. 60 vs. \(2 (23) = 46\).
Time = 0.25 (sec) , antiderivative size = 60, normalized size of antiderivative = 2.07 \[ \int \frac {\sinh ^3(x)}{1+\coth (x)} \, dx=\frac {\cosh \left (x\right )^{4} + 16 \, \cosh \left (x\right ) \sinh \left (x\right )^{3} + \sinh \left (x\right )^{4} + 2 \, {\left (3 \, \cosh \left (x\right )^{2} - 10\right )} \sinh \left (x\right )^{2} - 20 \, \cosh \left (x\right )^{2} + 16 \, {\left (\cosh \left (x\right )^{3} - 5 \, \cosh \left (x\right )\right )} \sinh \left (x\right ) - 45}{120 \, {\left (\cosh \left (x\right ) + \sinh \left (x\right )\right )}} \]
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\[ \int \frac {\sinh ^3(x)}{1+\coth (x)} \, dx=\int \frac {\sinh ^{3}{\left (x \right )}}{\coth {\left (x \right )} + 1}\, dx \]
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none
Time = 0.20 (sec) , antiderivative size = 33, normalized size of antiderivative = 1.14 \[ \int \frac {\sinh ^3(x)}{1+\coth (x)} \, dx=-\frac {1}{48} \, {\left (12 \, e^{\left (-2 \, x\right )} - 1\right )} e^{\left (3 \, x\right )} - \frac {3}{8} \, e^{\left (-x\right )} + \frac {1}{12} \, e^{\left (-3 \, x\right )} - \frac {1}{80} \, e^{\left (-5 \, x\right )} \]
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Time = 0.27 (sec) , antiderivative size = 31, normalized size of antiderivative = 1.07 \[ \int \frac {\sinh ^3(x)}{1+\coth (x)} \, dx=-\frac {1}{240} \, {\left (90 \, e^{\left (4 \, x\right )} - 20 \, e^{\left (2 \, x\right )} + 3\right )} e^{\left (-5 \, x\right )} + \frac {1}{48} \, e^{\left (3 \, x\right )} - \frac {1}{4} \, e^{x} \]
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Time = 1.93 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.00 \[ \int \frac {\sinh ^3(x)}{1+\coth (x)} \, dx=\frac {{\mathrm {e}}^{-3\,x}}{12}-\frac {3\,{\mathrm {e}}^{-x}}{8}+\frac {{\mathrm {e}}^{3\,x}}{48}-\frac {{\mathrm {e}}^{-5\,x}}{80}-\frac {{\mathrm {e}}^x}{4} \]
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