Optimal. Leaf size=29 \[ \frac {3 x}{2}-\frac {3 \coth (x)}{2}-\log (\sinh (x))+\frac {\coth (x)}{2 (\tanh (x)+1)} \]
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Rubi [A] time = 0.07, antiderivative size = 29, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 4, integrand size = 11, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.364, Rules used = {3552, 3529, 3531, 3475} \[ \frac {3 x}{2}-\frac {3 \coth (x)}{2}-\log (\sinh (x))+\frac {\coth (x)}{2 (\tanh (x)+1)} \]
Antiderivative was successfully verified.
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Rule 3475
Rule 3529
Rule 3531
Rule 3552
Rubi steps
\begin {align*} \int \frac {\coth ^2(x)}{1+\tanh (x)} \, dx &=\frac {\coth (x)}{2 (1+\tanh (x))}-\frac {1}{2} \int \coth ^2(x) (-3+2 \tanh (x)) \, dx\\ &=-\frac {3 \coth (x)}{2}+\frac {\coth (x)}{2 (1+\tanh (x))}-\frac {1}{2} i \int \coth (x) (-2 i+3 i \tanh (x)) \, dx\\ &=\frac {3 x}{2}-\frac {3 \coth (x)}{2}+\frac {\coth (x)}{2 (1+\tanh (x))}-\int \coth (x) \, dx\\ &=\frac {3 x}{2}-\frac {3 \coth (x)}{2}-\log (\sinh (x))+\frac {\coth (x)}{2 (1+\tanh (x))}\\ \end {align*}
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Mathematica [A] time = 0.05, size = 27, normalized size = 0.93 \[ \frac {1}{4} (6 x+\sinh (2 x)-\cosh (2 x)-4 \coth (x)-4 \log (\sinh (x))) \]
Antiderivative was successfully verified.
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fricas [B] time = 0.58, size = 196, normalized size = 6.76 \[ \frac {10 \, x \cosh \relax (x)^{4} + 40 \, x \cosh \relax (x) \sinh \relax (x)^{3} + 10 \, x \sinh \relax (x)^{4} - {\left (10 \, x + 9\right )} \cosh \relax (x)^{2} + {\left (60 \, x \cosh \relax (x)^{2} - 10 \, x - 9\right )} \sinh \relax (x)^{2} - 4 \, {\left (\cosh \relax (x)^{4} + 4 \, \cosh \relax (x) \sinh \relax (x)^{3} + \sinh \relax (x)^{4} + {\left (6 \, \cosh \relax (x)^{2} - 1\right )} \sinh \relax (x)^{2} - \cosh \relax (x)^{2} + 2 \, {\left (2 \, \cosh \relax (x)^{3} - \cosh \relax (x)\right )} \sinh \relax (x)\right )} \log \left (\frac {2 \, \sinh \relax (x)}{\cosh \relax (x) - \sinh \relax (x)}\right ) + 2 \, {\left (20 \, x \cosh \relax (x)^{3} - {\left (10 \, x + 9\right )} \cosh \relax (x)\right )} \sinh \relax (x) + 1}{4 \, {\left (\cosh \relax (x)^{4} + 4 \, \cosh \relax (x) \sinh \relax (x)^{3} + \sinh \relax (x)^{4} + {\left (6 \, \cosh \relax (x)^{2} - 1\right )} \sinh \relax (x)^{2} - \cosh \relax (x)^{2} + 2 \, {\left (2 \, \cosh \relax (x)^{3} - \cosh \relax (x)\right )} \sinh \relax (x)\right )}} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.14, size = 36, normalized size = 1.24 \[ \frac {5}{2} \, x - \frac {{\left (9 \, e^{\left (2 \, x\right )} - 1\right )} e^{\left (-2 \, x\right )}}{4 \, {\left (e^{\left (2 \, x\right )} - 1\right )}} - \log \left ({\left | e^{\left (2 \, x\right )} - 1 \right |}\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [B] time = 0.09, size = 59, normalized size = 2.03 \[ -\frac {\tanh \left (\frac {x}{2}\right )}{2}-\frac {\ln \left (\tanh \left (\frac {x}{2}\right )-1\right )}{2}-\frac {1}{\left (\tanh \left (\frac {x}{2}\right )+1\right )^{2}}+\frac {1}{\tanh \left (\frac {x}{2}\right )+1}+\frac {5 \ln \left (\tanh \left (\frac {x}{2}\right )+1\right )}{2}-\frac {1}{2 \tanh \left (\frac {x}{2}\right )}-\ln \left (\tanh \left (\frac {x}{2}\right )\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.31, size = 38, normalized size = 1.31 \[ \frac {1}{2} \, x + \frac {2}{e^{\left (-2 \, x\right )} - 1} - \frac {1}{4} \, e^{\left (-2 \, x\right )} - \log \left (e^{\left (-x\right )} + 1\right ) - \log \left (e^{\left (-x\right )} - 1\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 1.03, size = 29, normalized size = 1.00 \[ \frac {5\,x}{2}-\ln \left ({\mathrm {e}}^{2\,x}-1\right )-\frac {{\mathrm {e}}^{-2\,x}}{4}-\frac {2}{{\mathrm {e}}^{2\,x}-1} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {\coth ^{2}{\relax (x )}}{\tanh {\relax (x )} + 1}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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