Integrand size = 25, antiderivative size = 58 \[ \int e^{c (a+b x)} \text {csch}^2(a c+b c x)^{3/2} \, dx=-\frac {2 e^{4 c (a+b x)} \sqrt {\text {csch}^2(a c+b c x)} \sinh (a c+b c x)}{b c \left (1-e^{2 c (a+b x)}\right )^2} \]
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Time = 0.08 (sec) , antiderivative size = 58, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.160, Rules used = {6852, 2320, 12, 270} \[ \int e^{c (a+b x)} \text {csch}^2(a c+b c x)^{3/2} \, dx=-\frac {2 e^{4 c (a+b x)} \sinh (a c+b c x) \sqrt {\text {csch}^2(a c+b c x)}}{b c \left (1-e^{2 c (a+b x)}\right )^2} \]
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Rule 12
Rule 270
Rule 2320
Rule 6852
Rubi steps \begin{align*} \text {integral}& = \left (\sqrt {\text {csch}^2(a c+b c x)} \sinh (a c+b c x)\right ) \int e^{c (a+b x)} \text {csch}^3(a c+b c x) \, dx \\ & = \frac {\left (\sqrt {\text {csch}^2(a c+b c x)} \sinh (a c+b c x)\right ) \text {Subst}\left (\int \frac {8 x^3}{\left (-1+x^2\right )^3} \, dx,x,e^{c (a+b x)}\right )}{b c} \\ & = \frac {\left (8 \sqrt {\text {csch}^2(a c+b c x)} \sinh (a c+b c x)\right ) \text {Subst}\left (\int \frac {x^3}{\left (-1+x^2\right )^3} \, dx,x,e^{c (a+b x)}\right )}{b c} \\ & = -\frac {2 e^{4 c (a+b x)} \sqrt {\text {csch}^2(a c+b c x)} \sinh (a c+b c x)}{b c \left (1-e^{2 c (a+b x)}\right )^2} \\ \end{align*}
Time = 0.03 (sec) , antiderivative size = 56, normalized size of antiderivative = 0.97 \[ \int e^{c (a+b x)} \text {csch}^2(a c+b c x)^{3/2} \, dx=-\frac {2 e^{4 c (a+b x)} \text {csch}^2(c (a+b x))^{3/2} \sinh ^3(c (a+b x))}{b c \left (-1+e^{2 c (a+b x)}\right )^2} \]
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Result contains higher order function than in optimal. Order 9 vs. order 3.
Time = 0.36 (sec) , antiderivative size = 40, normalized size of antiderivative = 0.69
method | result | size |
default | \(\frac {\operatorname {csgn}\left (\operatorname {csch}\left (c \left (b x +a \right )\right )\right ) \left (-\frac {\coth \left (c \left (b x +a \right )\right )^{2}}{2}-\coth \left (c \left (b x +a \right )\right )\right )}{c b}\) | \(40\) |
risch | \(-\frac {2 \left (2 \,{\mathrm e}^{2 c \left (b x +a \right )}-1\right ) \sqrt {\frac {{\mathrm e}^{2 c \left (b x +a \right )}}{\left ({\mathrm e}^{2 c \left (b x +a \right )}-1\right )^{2}}}\, {\mathrm e}^{-c \left (b x +a \right )}}{b c \left ({\mathrm e}^{2 c \left (b x +a \right )}-1\right )}\) | \(69\) |
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Leaf count of result is larger than twice the leaf count of optimal. 121 vs. \(2 (52) = 104\).
Time = 0.25 (sec) , antiderivative size = 121, normalized size of antiderivative = 2.09 \[ \int e^{c (a+b x)} \text {csch}^2(a c+b c x)^{3/2} \, dx=-\frac {2 \, {\left (\cosh \left (b c x + a c\right ) + 3 \, \sinh \left (b c x + a c\right )\right )}}{b c \cosh \left (b c x + a c\right )^{3} + 3 \, b c \cosh \left (b c x + a c\right ) \sinh \left (b c x + a c\right )^{2} + b c \sinh \left (b c x + a c\right )^{3} - b c \cosh \left (b c x + a c\right ) + 3 \, {\left (b c \cosh \left (b c x + a c\right )^{2} - b c\right )} \sinh \left (b c x + a c\right )} \]
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\[ \int e^{c (a+b x)} \text {csch}^2(a c+b c x)^{3/2} \, dx=e^{a c} \int \left (\operatorname {csch}^{2}{\left (a c + b c x \right )}\right )^{\frac {3}{2}} e^{b c x}\, dx \]
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Time = 0.28 (sec) , antiderivative size = 84, normalized size of antiderivative = 1.45 \[ \int e^{c (a+b x)} \text {csch}^2(a c+b c x)^{3/2} \, dx=-\frac {4 \, e^{\left (2 \, b c x + 2 \, a c\right )}}{b c {\left (e^{\left (4 \, b c x + 4 \, a c\right )} - 2 \, e^{\left (2 \, b c x + 2 \, a c\right )} + 1\right )}} + \frac {2}{b c {\left (e^{\left (4 \, b c x + 4 \, a c\right )} - 2 \, e^{\left (2 \, b c x + 2 \, a c\right )} + 1\right )}} \]
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Time = 0.29 (sec) , antiderivative size = 64, normalized size of antiderivative = 1.10 \[ \int e^{c (a+b x)} \text {csch}^2(a c+b c x)^{3/2} \, dx=-\frac {2 \, {\left (2 \, e^{\left (2 \, b c x + 2 \, a c\right )} - 1\right )}}{b c {\left (e^{\left (2 \, b c x + 2 \, a c\right )} - 1\right )}^{2} \mathrm {sgn}\left (e^{\left (b c x + a c\right )} - e^{\left (-b c x - a c\right )}\right )} \]
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Time = 2.16 (sec) , antiderivative size = 78, normalized size of antiderivative = 1.34 \[ \int e^{c (a+b x)} \text {csch}^2(a c+b c x)^{3/2} \, dx=-\frac {{\mathrm {e}}^{-a\,c-b\,c\,x}\,\left (2\,{\mathrm {e}}^{2\,a\,c+2\,b\,c\,x}-1\right )\,\sqrt {\frac {1}{{\left (\frac {{\mathrm {e}}^{a\,c+b\,c\,x}}{2}-\frac {{\mathrm {e}}^{-a\,c-b\,c\,x}}{2}\right )}^2}}}{b\,c\,\left ({\mathrm {e}}^{2\,a\,c+2\,b\,c\,x}-1\right )} \]
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