Integrand size = 27, antiderivative size = 55 \[ \int \frac {\cosh (c+d x) \sinh ^2(c+d x)}{a+b \sinh (c+d x)} \, dx=\frac {a^2 \log (a+b \sinh (c+d x))}{b^3 d}-\frac {a \sinh (c+d x)}{b^2 d}+\frac {\sinh ^2(c+d x)}{2 b d} \]
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Time = 0.05 (sec) , antiderivative size = 55, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.111, Rules used = {2912, 12, 45} \[ \int \frac {\cosh (c+d x) \sinh ^2(c+d x)}{a+b \sinh (c+d x)} \, dx=\frac {a^2 \log (a+b \sinh (c+d x))}{b^3 d}-\frac {a \sinh (c+d x)}{b^2 d}+\frac {\sinh ^2(c+d x)}{2 b d} \]
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Rule 12
Rule 45
Rule 2912
Rubi steps \begin{align*} \text {integral}& = \frac {\text {Subst}\left (\int \frac {x^2}{b^2 (a+x)} \, dx,x,b \sinh (c+d x)\right )}{b d} \\ & = \frac {\text {Subst}\left (\int \frac {x^2}{a+x} \, dx,x,b \sinh (c+d x)\right )}{b^3 d} \\ & = \frac {\text {Subst}\left (\int \left (-a+x+\frac {a^2}{a+x}\right ) \, dx,x,b \sinh (c+d x)\right )}{b^3 d} \\ & = \frac {a^2 \log (a+b \sinh (c+d x))}{b^3 d}-\frac {a \sinh (c+d x)}{b^2 d}+\frac {\sinh ^2(c+d x)}{2 b d} \\ \end{align*}
Time = 0.05 (sec) , antiderivative size = 49, normalized size of antiderivative = 0.89 \[ \int \frac {\cosh (c+d x) \sinh ^2(c+d x)}{a+b \sinh (c+d x)} \, dx=\frac {2 a^2 \log (a+b \sinh (c+d x))-2 a b \sinh (c+d x)+b^2 \sinh ^2(c+d x)}{2 b^3 d} \]
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Time = 3.30 (sec) , antiderivative size = 54, normalized size of antiderivative = 0.98
method | result | size |
derivativedivides | \(\frac {a^{2} \ln \left (a +b \sinh \left (d x +c \right )\right )}{b^{3} d}-\frac {a \sinh \left (d x +c \right )}{b^{2} d}+\frac {\sinh \left (d x +c \right )^{2}}{2 b d}\) | \(54\) |
default | \(\frac {a^{2} \ln \left (a +b \sinh \left (d x +c \right )\right )}{b^{3} d}-\frac {a \sinh \left (d x +c \right )}{b^{2} d}+\frac {\sinh \left (d x +c \right )^{2}}{2 b d}\) | \(54\) |
risch | \(-\frac {x \,a^{2}}{b^{3}}+\frac {{\mathrm e}^{2 d x +2 c}}{8 b d}-\frac {a \,{\mathrm e}^{d x +c}}{2 b^{2} d}+\frac {a \,{\mathrm e}^{-d x -c}}{2 b^{2} d}+\frac {{\mathrm e}^{-2 d x -2 c}}{8 b d}-\frac {2 a^{2} c}{b^{3} d}+\frac {a^{2} \ln \left ({\mathrm e}^{2 d x +2 c}+\frac {2 a \,{\mathrm e}^{d x +c}}{b}-1\right )}{b^{3} d}\) | \(124\) |
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Leaf count of result is larger than twice the leaf count of optimal. 309 vs. \(2 (53) = 106\).
Time = 0.24 (sec) , antiderivative size = 309, normalized size of antiderivative = 5.62 \[ \int \frac {\cosh (c+d x) \sinh ^2(c+d x)}{a+b \sinh (c+d x)} \, dx=-\frac {8 \, a^{2} d x \cosh \left (d x + c\right )^{2} - b^{2} \cosh \left (d x + c\right )^{4} - b^{2} \sinh \left (d x + c\right )^{4} + 4 \, a b \cosh \left (d x + c\right )^{3} - 4 \, {\left (b^{2} \cosh \left (d x + c\right ) - a b\right )} \sinh \left (d x + c\right )^{3} - 4 \, a b \cosh \left (d x + c\right ) + 2 \, {\left (4 \, a^{2} d x - 3 \, b^{2} \cosh \left (d x + c\right )^{2} + 6 \, a b \cosh \left (d x + c\right )\right )} \sinh \left (d x + c\right )^{2} - b^{2} - 8 \, {\left (a^{2} \cosh \left (d x + c\right )^{2} + 2 \, a^{2} \cosh \left (d x + c\right ) \sinh \left (d x + c\right ) + a^{2} \sinh \left (d x + c\right )^{2}\right )} \log \left (\frac {2 \, {\left (b \sinh \left (d x + c\right ) + a\right )}}{\cosh \left (d x + c\right ) - \sinh \left (d x + c\right )}\right ) + 4 \, {\left (4 \, a^{2} d x \cosh \left (d x + c\right ) - b^{2} \cosh \left (d x + c\right )^{3} + 3 \, a b \cosh \left (d x + c\right )^{2} - a b\right )} \sinh \left (d x + c\right )}{8 \, {\left (b^{3} d \cosh \left (d x + c\right )^{2} + 2 \, b^{3} d \cosh \left (d x + c\right ) \sinh \left (d x + c\right ) + b^{3} d \sinh \left (d x + c\right )^{2}\right )}} \]
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Time = 0.88 (sec) , antiderivative size = 87, normalized size of antiderivative = 1.58 \[ \int \frac {\cosh (c+d x) \sinh ^2(c+d x)}{a+b \sinh (c+d x)} \, dx=\begin {cases} \frac {x \sinh ^{2}{\left (c \right )} \cosh {\left (c \right )}}{a} & \text {for}\: b = 0 \wedge d = 0 \\\frac {\sinh ^{3}{\left (c + d x \right )}}{3 a d} & \text {for}\: b = 0 \\\frac {x \sinh ^{2}{\left (c \right )} \cosh {\left (c \right )}}{a + b \sinh {\left (c \right )}} & \text {for}\: d = 0 \\\frac {a^{2} \log {\left (\frac {a}{b} + \sinh {\left (c + d x \right )} \right )}}{b^{3} d} - \frac {a \sinh {\left (c + d x \right )}}{b^{2} d} + \frac {\cosh ^{2}{\left (c + d x \right )}}{2 b d} & \text {otherwise} \end {cases} \]
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Leaf count of result is larger than twice the leaf count of optimal. 119 vs. \(2 (53) = 106\).
Time = 0.21 (sec) , antiderivative size = 119, normalized size of antiderivative = 2.16 \[ \int \frac {\cosh (c+d x) \sinh ^2(c+d x)}{a+b \sinh (c+d x)} \, dx=\frac {{\left (d x + c\right )} a^{2}}{b^{3} d} - \frac {{\left (4 \, a e^{\left (-d x - c\right )} - b\right )} e^{\left (2 \, d x + 2 \, c\right )}}{8 \, b^{2} d} + \frac {a^{2} \log \left (-2 \, a e^{\left (-d x - c\right )} + b e^{\left (-2 \, d x - 2 \, c\right )} - b\right )}{b^{3} d} + \frac {4 \, a e^{\left (-d x - c\right )} + b e^{\left (-2 \, d x - 2 \, c\right )}}{8 \, b^{2} d} \]
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none
Time = 0.31 (sec) , antiderivative size = 88, normalized size of antiderivative = 1.60 \[ \int \frac {\cosh (c+d x) \sinh ^2(c+d x)}{a+b \sinh (c+d x)} \, dx=\frac {\frac {8 \, a^{2} \log \left ({\left | b {\left (e^{\left (d x + c\right )} - e^{\left (-d x - c\right )}\right )} + 2 \, a \right |}\right )}{b^{3}} + \frac {b {\left (e^{\left (d x + c\right )} - e^{\left (-d x - c\right )}\right )}^{2} - 4 \, a {\left (e^{\left (d x + c\right )} - e^{\left (-d x - c\right )}\right )}}{b^{2}}}{8 \, d} \]
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Time = 0.13 (sec) , antiderivative size = 46, normalized size of antiderivative = 0.84 \[ \int \frac {\cosh (c+d x) \sinh ^2(c+d x)}{a+b \sinh (c+d x)} \, dx=\frac {a^2\,\ln \left (a+b\,\mathrm {sinh}\left (c+d\,x\right )\right )+\frac {b^2\,{\mathrm {sinh}\left (c+d\,x\right )}^2}{2}-a\,b\,\mathrm {sinh}\left (c+d\,x\right )}{b^3\,d} \]
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