Integrand size = 14, antiderivative size = 43 \[ \int \left (a+b \text {csch}^2(c+d x)\right )^2 \, dx=a^2 x-\frac {(2 a-b) b \coth (c+d x)}{d}-\frac {b^2 \coth ^3(c+d x)}{3 d} \]
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Time = 0.03 (sec) , antiderivative size = 43, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.214, Rules used = {4213, 398, 212} \[ \int \left (a+b \text {csch}^2(c+d x)\right )^2 \, dx=a^2 x-\frac {b (2 a-b) \coth (c+d x)}{d}-\frac {b^2 \coth ^3(c+d x)}{3 d} \]
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Rule 212
Rule 398
Rule 4213
Rubi steps \begin{align*} \text {integral}& = \frac {\text {Subst}\left (\int \frac {\left (a-b+b x^2\right )^2}{1-x^2} \, dx,x,\coth (c+d x)\right )}{d} \\ & = \frac {\text {Subst}\left (\int \left (-((2 a-b) b)-b^2 x^2+\frac {a^2}{1-x^2}\right ) \, dx,x,\coth (c+d x)\right )}{d} \\ & = -\frac {(2 a-b) b \coth (c+d x)}{d}-\frac {b^2 \coth ^3(c+d x)}{3 d}+\frac {a^2 \text {Subst}\left (\int \frac {1}{1-x^2} \, dx,x,\coth (c+d x)\right )}{d} \\ & = a^2 x-\frac {(2 a-b) b \coth (c+d x)}{d}-\frac {b^2 \coth ^3(c+d x)}{3 d} \\ \end{align*}
Time = 0.58 (sec) , antiderivative size = 84, normalized size of antiderivative = 1.95 \[ \int \left (a+b \text {csch}^2(c+d x)\right )^2 \, dx=\frac {4 \left (a+b \text {csch}^2(c+d x)\right )^2 \left (3 a^2 (c+d x)-b \coth (c+d x) \left (6 a-2 b+b \text {csch}^2(c+d x)\right )\right ) \sinh ^4(c+d x)}{3 d (a-2 b-a \cosh (2 (c+d x)))^2} \]
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Time = 1.21 (sec) , antiderivative size = 45, normalized size of antiderivative = 1.05
method | result | size |
parts | \(a^{2} x +\frac {b^{2} \left (\frac {2}{3}-\frac {\operatorname {csch}\left (d x +c \right )^{2}}{3}\right ) \coth \left (d x +c \right )}{d}-\frac {2 a b \coth \left (d x +c \right )}{d}\) | \(45\) |
derivativedivides | \(\frac {a^{2} \left (d x +c \right )-2 \coth \left (d x +c \right ) a b +b^{2} \left (\frac {2}{3}-\frac {\operatorname {csch}\left (d x +c \right )^{2}}{3}\right ) \coth \left (d x +c \right )}{d}\) | \(47\) |
default | \(\frac {a^{2} \left (d x +c \right )-2 \coth \left (d x +c \right ) a b +b^{2} \left (\frac {2}{3}-\frac {\operatorname {csch}\left (d x +c \right )^{2}}{3}\right ) \coth \left (d x +c \right )}{d}\) | \(47\) |
risch | \(a^{2} x -\frac {4 b \left (3 a \,{\mathrm e}^{4 d x +4 c}-6 \,{\mathrm e}^{2 d x +2 c} a +3 b \,{\mathrm e}^{2 d x +2 c}+3 a -b \right )}{3 d \left ({\mathrm e}^{2 d x +2 c}-1\right )^{3}}\) | \(69\) |
parallelrisch | \(\frac {-\coth \left (\frac {d x}{2}+\frac {c}{2}\right )^{3} b^{2}+\left (-24 a b +9 b^{2}\right ) \coth \left (\frac {d x}{2}+\frac {c}{2}\right )-\tanh \left (\frac {d x}{2}+\frac {c}{2}\right )^{3} b^{2}+\left (-24 a b +9 b^{2}\right ) \tanh \left (\frac {d x}{2}+\frac {c}{2}\right )+24 a^{2} d x}{24 d}\) | \(86\) |
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Leaf count of result is larger than twice the leaf count of optimal. 180 vs. \(2 (41) = 82\).
Time = 0.28 (sec) , antiderivative size = 180, normalized size of antiderivative = 4.19 \[ \int \left (a+b \text {csch}^2(c+d x)\right )^2 \, dx=-\frac {2 \, {\left (3 \, a b - b^{2}\right )} \cosh \left (d x + c\right )^{3} + 6 \, {\left (3 \, a b - b^{2}\right )} \cosh \left (d x + c\right ) \sinh \left (d x + c\right )^{2} - {\left (3 \, a^{2} d x + 6 \, a b - 2 \, b^{2}\right )} \sinh \left (d x + c\right )^{3} - 6 \, {\left (a b - b^{2}\right )} \cosh \left (d x + c\right ) + 3 \, {\left (3 \, a^{2} d x - {\left (3 \, a^{2} d x + 6 \, a b - 2 \, b^{2}\right )} \cosh \left (d x + c\right )^{2} + 6 \, a b - 2 \, b^{2}\right )} \sinh \left (d x + c\right )}{3 \, {\left (d \sinh \left (d x + c\right )^{3} + 3 \, {\left (d \cosh \left (d x + c\right )^{2} - d\right )} \sinh \left (d x + c\right )\right )}} \]
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\[ \int \left (a+b \text {csch}^2(c+d x)\right )^2 \, dx=\int \left (a + b \operatorname {csch}^{2}{\left (c + d x \right )}\right )^{2}\, dx \]
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Leaf count of result is larger than twice the leaf count of optimal. 121 vs. \(2 (41) = 82\).
Time = 0.18 (sec) , antiderivative size = 121, normalized size of antiderivative = 2.81 \[ \int \left (a+b \text {csch}^2(c+d x)\right )^2 \, dx=a^{2} x + \frac {4}{3} \, b^{2} {\left (\frac {3 \, e^{\left (-2 \, d x - 2 \, c\right )}}{d {\left (3 \, e^{\left (-2 \, d x - 2 \, c\right )} - 3 \, e^{\left (-4 \, d x - 4 \, c\right )} + e^{\left (-6 \, d x - 6 \, c\right )} - 1\right )}} - \frac {1}{d {\left (3 \, e^{\left (-2 \, d x - 2 \, c\right )} - 3 \, e^{\left (-4 \, d x - 4 \, c\right )} + e^{\left (-6 \, d x - 6 \, c\right )} - 1\right )}}\right )} + \frac {4 \, a b}{d {\left (e^{\left (-2 \, d x - 2 \, c\right )} - 1\right )}} \]
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Time = 0.27 (sec) , antiderivative size = 81, normalized size of antiderivative = 1.88 \[ \int \left (a+b \text {csch}^2(c+d x)\right )^2 \, dx=\frac {3 \, {\left (d x + c\right )} a^{2} - \frac {4 \, {\left (3 \, a b e^{\left (4 \, d x + 4 \, c\right )} - 6 \, a b e^{\left (2 \, d x + 2 \, c\right )} + 3 \, b^{2} e^{\left (2 \, d x + 2 \, c\right )} + 3 \, a b - b^{2}\right )}}{{\left (e^{\left (2 \, d x + 2 \, c\right )} - 1\right )}^{3}}}{3 \, d} \]
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Time = 2.35 (sec) , antiderivative size = 166, normalized size of antiderivative = 3.86 \[ \int \left (a+b \text {csch}^2(c+d x)\right )^2 \, dx=a^2\,x-\frac {\frac {4\,a\,b}{3\,d}-\frac {8\,{\mathrm {e}}^{2\,c+2\,d\,x}\,\left (a\,b-b^2\right )}{3\,d}+\frac {4\,a\,b\,{\mathrm {e}}^{4\,c+4\,d\,x}}{3\,d}}{3\,{\mathrm {e}}^{2\,c+2\,d\,x}-3\,{\mathrm {e}}^{4\,c+4\,d\,x}+{\mathrm {e}}^{6\,c+6\,d\,x}-1}+\frac {\frac {4\,\left (a\,b-b^2\right )}{3\,d}-\frac {4\,a\,b\,{\mathrm {e}}^{2\,c+2\,d\,x}}{3\,d}}{{\mathrm {e}}^{4\,c+4\,d\,x}-2\,{\mathrm {e}}^{2\,c+2\,d\,x}+1}-\frac {4\,a\,b}{3\,d\,\left ({\mathrm {e}}^{2\,c+2\,d\,x}-1\right )} \]
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