Optimal. Leaf size=31 \[ -\frac {2 e^{4 a+4 b x}}{b \left (1-e^{2 a+2 b x}\right )^2} \]
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Rubi [A] time = 0.03, antiderivative size = 31, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, integrand size = 16, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.188, Rules used = {2282, 12, 264} \[ -\frac {2 e^{4 a+4 b x}}{b \left (1-e^{2 a+2 b x}\right )^2} \]
Antiderivative was successfully verified.
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Rule 12
Rule 264
Rule 2282
Rubi steps
\begin {align*} \int e^{a+b x} \text {csch}^3(a+b x) \, dx &=\frac {\operatorname {Subst}\left (\int \frac {8 x^3}{\left (-1+x^2\right )^3} \, dx,x,e^{a+b x}\right )}{b}\\ &=\frac {8 \operatorname {Subst}\left (\int \frac {x^3}{\left (-1+x^2\right )^3} \, dx,x,e^{a+b x}\right )}{b}\\ &=-\frac {2 e^{4 a+4 b x}}{b \left (1-e^{2 a+2 b x}\right )^2}\\ \end {align*}
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Mathematica [A] time = 0.02, size = 29, normalized size = 0.94 \[ -\frac {2 e^{4 a+4 b x}}{b \left (e^{2 a+2 b x}-1\right )^2} \]
Antiderivative was successfully verified.
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fricas [B] time = 0.54, size = 88, normalized size = 2.84 \[ -\frac {2 \, {\left (\cosh \left (b x + a\right ) + 3 \, \sinh \left (b x + a\right )\right )}}{b \cosh \left (b x + a\right )^{3} + 3 \, b \cosh \left (b x + a\right ) \sinh \left (b x + a\right )^{2} + b \sinh \left (b x + a\right )^{3} - b \cosh \left (b x + a\right ) + 3 \, {\left (b \cosh \left (b x + a\right )^{2} - b\right )} \sinh \left (b x + a\right )} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.13, size = 31, normalized size = 1.00 \[ -\frac {2 \, {\left (2 \, e^{\left (2 \, b x + 2 \, a\right )} - 1\right )}}{b {\left (e^{\left (2 \, b x + 2 \, a\right )} - 1\right )}^{2}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.03, size = 24, normalized size = 0.77 \[ \frac {-\coth \left (b x +a \right )-\frac {1}{2 \sinh \left (b x +a \right )^{2}}}{b} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [B] time = 0.30, size = 68, normalized size = 2.19 \[ -\frac {4 \, e^{\left (2 \, b x + 2 \, a\right )}}{b {\left (e^{\left (4 \, b x + 4 \, a\right )} - 2 \, e^{\left (2 \, b x + 2 \, a\right )} + 1\right )}} + \frac {2}{b {\left (e^{\left (4 \, b x + 4 \, a\right )} - 2 \, e^{\left (2 \, b x + 2 \, a\right )} + 1\right )}} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.58, size = 31, normalized size = 1.00 \[ -\frac {2\,\left (2\,{\mathrm {e}}^{2\,a+2\,b\,x}-1\right )}{b\,{\left ({\mathrm {e}}^{2\,a+2\,b\,x}-1\right )}^2} \]
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 \[ e^{a} \int e^{b x} \operatorname {csch}^{3}{\left (a + b x \right )}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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