Optimal. Leaf size=45 \[ -\frac{2}{5} (\coth (x)+1)^{5/2}-2 \sqrt{\coth (x)+1}+2 \sqrt{2} \tanh ^{-1}\left (\frac{\sqrt{\coth (x)+1}}{\sqrt{2}}\right ) \]
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Rubi [A] time = 0.0628274, antiderivative size = 45, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 4, integrand size = 13, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.308, Rules used = {3543, 3478, 3480, 206} \[ -\frac{2}{5} (\coth (x)+1)^{5/2}-2 \sqrt{\coth (x)+1}+2 \sqrt{2} \tanh ^{-1}\left (\frac{\sqrt{\coth (x)+1}}{\sqrt{2}}\right ) \]
Antiderivative was successfully verified.
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Rule 3543
Rule 3478
Rule 3480
Rule 206
Rubi steps
\begin{align*} \int \coth ^2(x) (1+\coth (x))^{3/2} \, dx &=-\frac{2}{5} (1+\coth (x))^{5/2}+\int (1+\coth (x))^{3/2} \, dx\\ &=-2 \sqrt{1+\coth (x)}-\frac{2}{5} (1+\coth (x))^{5/2}+2 \int \sqrt{1+\coth (x)} \, dx\\ &=-2 \sqrt{1+\coth (x)}-\frac{2}{5} (1+\coth (x))^{5/2}+4 \operatorname{Subst}\left (\int \frac{1}{2-x^2} \, dx,x,\sqrt{1+\coth (x)}\right )\\ &=2 \sqrt{2} \tanh ^{-1}\left (\frac{\sqrt{1+\coth (x)}}{\sqrt{2}}\right )-2 \sqrt{1+\coth (x)}-\frac{2}{5} (1+\coth (x))^{5/2}\\ \end{align*}
Mathematica [C] time = 0.253652, size = 70, normalized size = 1.56 \[ -\frac{2 \left (2 \coth ^2(x)+\text{csch}^2(x)+(5+5 i) \sqrt{i (\coth (x)+1)} \tan ^{-1}\left (\left (\frac{1}{2}+\frac{i}{2}\right ) \sqrt{i (\coth (x)+1)}\right )+\coth (x) \left (\text{csch}^2(x)+9\right )+7\right )}{5 \sqrt{\coth (x)+1}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.019, size = 35, normalized size = 0.8 \begin{align*} -{\frac{2}{5} \left ( 1+{\rm coth} \left (x\right ) \right ) ^{{\frac{5}{2}}}}+2\,{\it Artanh} \left ( 1/2\,\sqrt{1+{\rm coth} \left (x\right )}\sqrt{2} \right ) \sqrt{2}-2\,\sqrt{1+{\rm coth} \left (x\right )} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int{\left (\coth \left (x\right ) + 1\right )}^{\frac{3}{2}} \coth \left (x\right )^{2}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] time = 2.95329, size = 1449, normalized size = 32.2 \begin{align*} \text{result too large to display} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \left (\coth{\left (x \right )} + 1\right )^{\frac{3}{2}} \coth ^{2}{\left (x \right )}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] time = 1.20042, size = 266, normalized size = 5.91 \begin{align*} -\frac{1}{5} \, \sqrt{2}{\left (5 \, \log \left ({\left | 2 \, \sqrt{e^{\left (4 \, x\right )} - e^{\left (2 \, x\right )}} - 2 \, e^{\left (2 \, x\right )} + 1 \right |}\right ) \mathrm{sgn}\left (e^{\left (2 \, x\right )} - 1\right ) + \frac{2 \,{\left (25 \,{\left (\sqrt{e^{\left (4 \, x\right )} - e^{\left (2 \, x\right )}} - e^{\left (2 \, x\right )}\right )}^{4} \mathrm{sgn}\left (e^{\left (2 \, x\right )} - 1\right ) + 60 \,{\left (\sqrt{e^{\left (4 \, x\right )} - e^{\left (2 \, x\right )}} - e^{\left (2 \, x\right )}\right )}^{3} \mathrm{sgn}\left (e^{\left (2 \, x\right )} - 1\right ) + 70 \,{\left (\sqrt{e^{\left (4 \, x\right )} - e^{\left (2 \, x\right )}} - e^{\left (2 \, x\right )}\right )}^{2} \mathrm{sgn}\left (e^{\left (2 \, x\right )} - 1\right ) + 40 \,{\left (\sqrt{e^{\left (4 \, x\right )} - e^{\left (2 \, x\right )}} - e^{\left (2 \, x\right )}\right )} \mathrm{sgn}\left (e^{\left (2 \, x\right )} - 1\right ) + 9 \, \mathrm{sgn}\left (e^{\left (2 \, x\right )} - 1\right )\right )}}{{\left (\sqrt{e^{\left (4 \, x\right )} - e^{\left (2 \, x\right )}} - e^{\left (2 \, x\right )} + 1\right )}^{5}}\right )} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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