Optimal. Leaf size=63 \[ -\frac {2}{b \left (1-e^{2 a+2 b x}\right )^2}+\frac {6}{b \left (1-e^{2 a+2 b x}\right )}+\frac {2 \log \left (1-e^{2 a+2 b x}\right )}{b} \]
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Rubi [A]
time = 0.05, antiderivative size = 63, normalized size of antiderivative = 1.00, number of steps
used = 5, number of rules used = 4, integrand size = 24, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.167, Rules used = {2320, 12, 457,
78} \begin {gather*} \frac {6}{b \left (1-e^{2 a+2 b x}\right )}-\frac {2}{b \left (1-e^{2 a+2 b x}\right )^2}+\frac {2 \log \left (1-e^{2 a+2 b x}\right )}{b} \end {gather*}
Antiderivative was successfully verified.
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Rule 12
Rule 78
Rule 457
Rule 2320
Rubi steps
\begin {align*} \int e^{2 (a+b x)} \coth (a+b x) \text {csch}^2(a+b x) \, dx &=\frac {\text {Subst}\left (\int \frac {4 x^3 \left (-1-x^2\right )}{\left (1-x^2\right )^3} \, dx,x,e^{a+b x}\right )}{b}\\ &=\frac {4 \text {Subst}\left (\int \frac {x^3 \left (-1-x^2\right )}{\left (1-x^2\right )^3} \, dx,x,e^{a+b x}\right )}{b}\\ &=\frac {2 \text {Subst}\left (\int \frac {(-1-x) x}{(1-x)^3} \, dx,x,e^{2 a+2 b x}\right )}{b}\\ &=\frac {2 \text {Subst}\left (\int \left (\frac {2}{(-1+x)^3}+\frac {3}{(-1+x)^2}+\frac {1}{-1+x}\right ) \, dx,x,e^{2 a+2 b x}\right )}{b}\\ &=-\frac {2}{b \left (1-e^{2 a+2 b x}\right )^2}+\frac {6}{b \left (1-e^{2 a+2 b x}\right )}+\frac {2 \log \left (1-e^{2 a+2 b x}\right )}{b}\\ \end {align*}
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Mathematica [A]
time = 0.05, size = 47, normalized size = 0.75 \begin {gather*} \frac {2 \left (\frac {2-3 e^{2 (a+b x)}}{\left (-1+e^{2 (a+b x)}\right )^2}+\log \left (1-e^{2 (a+b x)}\right )\right )}{b} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.98, size = 56, normalized size = 0.89
method | result | size |
risch | \(-\frac {4 a}{b}-\frac {2 \left (3 \,{\mathrm e}^{2 b x +2 a}-2\right )}{b \left ({\mathrm e}^{2 b x +2 a}-1\right )^{2}}+\frac {2 \ln \left ({\mathrm e}^{2 b x +2 a}-1\right )}{b}\) | \(56\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.26, size = 86, normalized size = 1.37 \begin {gather*} 4 \, x + \frac {4 \, a}{b} + \frac {2 \, \log \left (e^{\left (-b x - a\right )} + 1\right )}{b} + \frac {2 \, \log \left (e^{\left (-b x - a\right )} - 1\right )}{b} - \frac {2 \, {\left (e^{\left (-2 \, b x - 2 \, a\right )} - 2\right )}}{b {\left (2 \, e^{\left (-2 \, b x - 2 \, a\right )} - e^{\left (-4 \, b x - 4 \, a\right )} - 1\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] Leaf count of result is larger than twice the leaf count of optimal. 262 vs.
\(2 (56) = 112\).
time = 0.34, size = 262, normalized size = 4.16 \begin {gather*} -\frac {2 \, {\left (3 \, \cosh \left (b x + a\right )^{2} - {\left (\cosh \left (b x + a\right )^{4} + 4 \, \cosh \left (b x + a\right ) \sinh \left (b x + a\right )^{3} + \sinh \left (b x + a\right )^{4} + 2 \, {\left (3 \, \cosh \left (b x + a\right )^{2} - 1\right )} \sinh \left (b x + a\right )^{2} - 2 \, \cosh \left (b x + a\right )^{2} + 4 \, {\left (\cosh \left (b x + a\right )^{3} - \cosh \left (b x + a\right )\right )} \sinh \left (b x + a\right ) + 1\right )} \log \left (\frac {2 \, \sinh \left (b x + a\right )}{\cosh \left (b x + a\right ) - \sinh \left (b x + a\right )}\right ) + 6 \, \cosh \left (b x + a\right ) \sinh \left (b x + a\right ) + 3 \, \sinh \left (b x + a\right )^{2} - 2\right )}}{b \cosh \left (b x + a\right )^{4} + 4 \, b \cosh \left (b x + a\right ) \sinh \left (b x + a\right )^{3} + b \sinh \left (b x + a\right )^{4} - 2 \, b \cosh \left (b x + a\right )^{2} + 2 \, {\left (3 \, b \cosh \left (b x + a\right )^{2} - b\right )} \sinh \left (b x + a\right )^{2} + 4 \, {\left (b \cosh \left (b x + a\right )^{3} - b \cosh \left (b x + a\right )\right )} \sinh \left (b x + a\right ) + b} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-2)]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Exception raised: SystemError} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.42, size = 48, normalized size = 0.76 \begin {gather*} -\frac {\frac {3 \, e^{\left (4 \, b x + 4 \, a\right )} - 1}{{\left (e^{\left (2 \, b x + 2 \, a\right )} - 1\right )}^{2}} - 2 \, \log \left ({\left | e^{\left (2 \, b x + 2 \, a\right )} - 1 \right |}\right )}{b} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 1.86, size = 66, normalized size = 1.05 \begin {gather*} \frac {2\,\ln \left ({\mathrm {e}}^{2\,a}\,{\mathrm {e}}^{2\,b\,x}-1\right )}{b}-\frac {6}{b\,\left ({\mathrm {e}}^{2\,a+2\,b\,x}-1\right )}-\frac {2}{b\,\left ({\mathrm {e}}^{4\,a+4\,b\,x}-2\,{\mathrm {e}}^{2\,a+2\,b\,x}+1\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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