Optimal. Leaf size=24 \[ -\frac {\text {ArcTan}(\sinh (a+b x))}{b}-\frac {\text {csch}(a+b x)}{b} \]
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Rubi [A]
time = 0.02, antiderivative size = 24, normalized size of antiderivative = 1.00, number of steps
used = 3, number of rules used = 3, integrand size = 15, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.200, Rules used = {2701, 327, 213}
\begin {gather*} -\frac {\text {ArcTan}(\sinh (a+b x))}{b}-\frac {\text {csch}(a+b x)}{b} \end {gather*}
Antiderivative was successfully verified.
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Rule 213
Rule 327
Rule 2701
Rubi steps
\begin {align*} \int \text {csch}^2(a+b x) \text {sech}(a+b x) \, dx &=-\frac {i \text {Subst}\left (\int \frac {x^2}{-1+x^2} \, dx,x,-i \text {csch}(a+b x)\right )}{b}\\ &=-\frac {\text {csch}(a+b x)}{b}-\frac {i \text {Subst}\left (\int \frac {1}{-1+x^2} \, dx,x,-i \text {csch}(a+b x)\right )}{b}\\ &=-\frac {\tan ^{-1}(\sinh (a+b x))}{b}-\frac {\text {csch}(a+b x)}{b}\\ \end {align*}
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Mathematica [C] Result contains higher order function than in optimal. Order 5 vs. order 3 in
optimal.
time = 0.01, size = 29, normalized size = 1.21 \begin {gather*} -\frac {\text {csch}(a+b x) \, _2F_1\left (-\frac {1}{2},1;\frac {1}{2};-\sinh ^2(a+b x)\right )}{b} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.74, size = 25, normalized size = 1.04
method | result | size |
derivativedivides | \(\frac {-\frac {1}{\sinh \left (b x +a \right )}-2 \arctan \left ({\mathrm e}^{b x +a}\right )}{b}\) | \(25\) |
default | \(\frac {-\frac {1}{\sinh \left (b x +a \right )}-2 \arctan \left ({\mathrm e}^{b x +a}\right )}{b}\) | \(25\) |
risch | \(-\frac {2 \,{\mathrm e}^{b x +a}}{b \left ({\mathrm e}^{2 b x +2 a}-1\right )}+\frac {i \ln \left ({\mathrm e}^{b x +a}-i\right )}{b}-\frac {i \ln \left ({\mathrm e}^{b x +a}+i\right )}{b}\) | \(58\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.49, size = 43, normalized size = 1.79 \begin {gather*} \frac {2 \, \arctan \left (e^{\left (-b x - a\right )}\right )}{b} + \frac {2 \, e^{\left (-b x - a\right )}}{b {\left (e^{\left (-2 \, b x - 2 \, 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. 103 vs.
\(2 (24) = 48\).
time = 0.36, size = 103, normalized size = 4.29 \begin {gather*} -\frac {2 \, {\left ({\left (\cosh \left (b x + a\right )^{2} + 2 \, \cosh \left (b x + a\right ) \sinh \left (b x + a\right ) + \sinh \left (b x + a\right )^{2} - 1\right )} \arctan \left (\cosh \left (b x + a\right ) + \sinh \left (b x + a\right )\right ) + \cosh \left (b x + a\right ) + \sinh \left (b x + a\right )\right )}}{b \cosh \left (b x + a\right )^{2} + 2 \, b \cosh \left (b x + a\right ) \sinh \left (b x + a\right ) + b \sinh \left (b x + a\right )^{2} - b} \end {gather*}
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 \begin {gather*} \int \operatorname {csch}^{2}{\left (a + b x \right )} \operatorname {sech}{\left (a + b x \right )}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] Leaf count of result is larger than twice the leaf count of optimal. 54 vs.
\(2 (24) = 48\).
time = 0.39, size = 54, normalized size = 2.25 \begin {gather*} -\frac {\pi + \frac {4}{e^{\left (b x + a\right )} - e^{\left (-b x - a\right )}} + 2 \, \arctan \left (\frac {1}{2} \, {\left (e^{\left (2 \, b x + 2 \, a\right )} - 1\right )} e^{\left (-b x - a\right )}\right )}{2 \, b} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 1.47, size = 48, normalized size = 2.00 \begin {gather*} -\frac {2\,\mathrm {atan}\left (\frac {{\mathrm {e}}^{b\,x}\,{\mathrm {e}}^a\,\sqrt {b^2}}{b}\right )}{\sqrt {b^2}}-\frac {2\,{\mathrm {e}}^{a+b\,x}}{b\,\left ({\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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