Optimal. Leaf size=26 \[ \frac{2 e^{a+b x}}{b}-\frac{2 \tanh ^{-1}\left (e^{a+b x}\right )}{b} \]
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Rubi [A] time = 0.0180458, antiderivative size = 26, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 4, integrand size = 16, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.25, Rules used = {2282, 12, 321, 207} \[ \frac{2 e^{a+b x}}{b}-\frac{2 \tanh ^{-1}\left (e^{a+b x}\right )}{b} \]
Antiderivative was successfully verified.
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Rule 2282
Rule 12
Rule 321
Rule 207
Rubi steps
\begin{align*} \int e^{2 (a+b x)} \text{csch}(a+b x) \, dx &=\frac{\operatorname{Subst}\left (\int \frac{2 x^2}{-1+x^2} \, dx,x,e^{a+b x}\right )}{b}\\ &=\frac{2 \operatorname{Subst}\left (\int \frac{x^2}{-1+x^2} \, dx,x,e^{a+b x}\right )}{b}\\ &=\frac{2 e^{a+b x}}{b}+\frac{2 \operatorname{Subst}\left (\int \frac{1}{-1+x^2} \, dx,x,e^{a+b x}\right )}{b}\\ &=\frac{2 e^{a+b x}}{b}-\frac{2 \tanh ^{-1}\left (e^{a+b x}\right )}{b}\\ \end{align*}
Mathematica [A] time = 0.0173468, size = 23, normalized size = 0.88 \[ \frac{2 \left (e^{a+b x}-\tanh ^{-1}\left (e^{a+b x}\right )\right )}{b} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.033, size = 40, normalized size = 1.5 \begin{align*} 2\,{\frac{{{\rm e}^{bx+a}}}{b}}+{\frac{\ln \left ({{\rm e}^{bx+a}}-1 \right ) }{b}}-{\frac{\ln \left ( 1+{{\rm e}^{bx+a}} \right ) }{b}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.28773, size = 61, normalized size = 2.35 \begin{align*} \frac{2 \, e^{\left (b x + a\right )}}{b} - \frac{\log \left (e^{\left (-b x - a\right )} + 1\right )}{b} + \frac{\log \left (e^{\left (-b x - a\right )} - 1\right )}{b} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] time = 1.82856, size = 163, normalized size = 6.27 \begin{align*} \frac{2 \, \cosh \left (b x + a\right ) - \log \left (\cosh \left (b x + a\right ) + \sinh \left (b x + a\right ) + 1\right ) + \log \left (\cosh \left (b x + a\right ) + \sinh \left (b x + a\right ) - 1\right ) + 2 \, \sinh \left (b x + a\right )}{b} \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*} e^{2 a} \int e^{2 b x} \operatorname{csch}{\left (a + b x \right )}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] time = 1.12418, size = 68, normalized size = 2.62 \begin{align*} -\frac{{\left (e^{\left (-2 \, a\right )} \log \left (e^{\left (b x + a\right )} + 1\right ) - e^{\left (-2 \, a\right )} \log \left ({\left | e^{\left (b x + a\right )} - 1 \right |}\right ) - 2 \, e^{\left (b x - a\right )}\right )} e^{\left (2 \, a\right )}}{b} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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