Integrand size = 16, antiderivative size = 45 \[ \int x \left (a+b \text {csch}\left (c+d x^2\right )\right )^2 \, dx=\frac {a^2 x^2}{2}-\frac {a b \text {arctanh}\left (\cosh \left (c+d x^2\right )\right )}{d}-\frac {b^2 \coth \left (c+d x^2\right )}{2 d} \]
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Time = 0.04 (sec) , antiderivative size = 45, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.312, Rules used = {5545, 3858, 3855, 3852, 8} \[ \int x \left (a+b \text {csch}\left (c+d x^2\right )\right )^2 \, dx=\frac {a^2 x^2}{2}-\frac {a b \text {arctanh}\left (\cosh \left (c+d x^2\right )\right )}{d}-\frac {b^2 \coth \left (c+d x^2\right )}{2 d} \]
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Rule 8
Rule 3852
Rule 3855
Rule 3858
Rule 5545
Rubi steps \begin{align*} \text {integral}& = \frac {1}{2} \text {Subst}\left (\int (a+b \text {csch}(c+d x))^2 \, dx,x,x^2\right ) \\ & = \frac {a^2 x^2}{2}+(a b) \text {Subst}\left (\int \text {csch}(c+d x) \, dx,x,x^2\right )+\frac {1}{2} b^2 \text {Subst}\left (\int \text {csch}^2(c+d x) \, dx,x,x^2\right ) \\ & = \frac {a^2 x^2}{2}-\frac {a b \text {arctanh}\left (\cosh \left (c+d x^2\right )\right )}{d}-\frac {\left (i b^2\right ) \text {Subst}\left (\int 1 \, dx,x,-i \coth \left (c+d x^2\right )\right )}{2 d} \\ & = \frac {a^2 x^2}{2}-\frac {a b \text {arctanh}\left (\cosh \left (c+d x^2\right )\right )}{d}-\frac {b^2 \coth \left (c+d x^2\right )}{2 d} \\ \end{align*}
Time = 0.51 (sec) , antiderivative size = 85, normalized size of antiderivative = 1.89 \[ \int x \left (a+b \text {csch}\left (c+d x^2\right )\right )^2 \, dx=-\frac {b^2 \coth \left (\frac {1}{2} \left (c+d x^2\right )\right )-2 a \left (a c+a d x^2-2 b \log \left (\cosh \left (\frac {1}{2} \left (c+d x^2\right )\right )\right )+2 b \log \left (\sinh \left (\frac {1}{2} \left (c+d x^2\right )\right )\right )\right )+b^2 \tanh \left (\frac {1}{2} \left (c+d x^2\right )\right )}{4 d} \]
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Time = 0.94 (sec) , antiderivative size = 44, normalized size of antiderivative = 0.98
method | result | size |
derivativedivides | \(\frac {a^{2} \left (d \,x^{2}+c \right )-4 a b \,\operatorname {arctanh}\left ({\mathrm e}^{d \,x^{2}+c}\right )-b^{2} \coth \left (d \,x^{2}+c \right )}{2 d}\) | \(44\) |
default | \(\frac {a^{2} \left (d \,x^{2}+c \right )-4 a b \,\operatorname {arctanh}\left ({\mathrm e}^{d \,x^{2}+c}\right )-b^{2} \coth \left (d \,x^{2}+c \right )}{2 d}\) | \(44\) |
parts | \(\frac {a^{2} x^{2}}{2}-\frac {b^{2} \coth \left (d \,x^{2}+c \right )}{2 d}+\frac {a b \ln \left (\tanh \left (\frac {d \,x^{2}}{2}+\frac {c}{2}\right )\right )}{d}\) | \(44\) |
parallelrisch | \(\frac {2 a^{2} d \,x^{2}-\coth \left (\frac {d \,x^{2}}{2}+\frac {c}{2}\right ) b^{2}-\tanh \left (\frac {d \,x^{2}}{2}+\frac {c}{2}\right ) b^{2}+4 \ln \left (\tanh \left (\frac {d \,x^{2}}{2}+\frac {c}{2}\right )\right ) a b}{4 d}\) | \(64\) |
risch | \(\frac {a^{2} x^{2}}{2}-\frac {b^{2}}{d \left ({\mathrm e}^{2 d \,x^{2}+2 c}-1\right )}+\frac {a b \ln \left ({\mathrm e}^{d \,x^{2}+c}-1\right )}{d}-\frac {a b \ln \left ({\mathrm e}^{d \,x^{2}+c}+1\right )}{d}\) | \(68\) |
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Leaf count of result is larger than twice the leaf count of optimal. 271 vs. \(2 (41) = 82\).
Time = 0.28 (sec) , antiderivative size = 271, normalized size of antiderivative = 6.02 \[ \int x \left (a+b \text {csch}\left (c+d x^2\right )\right )^2 \, dx=\frac {a^{2} d x^{2} \cosh \left (d x^{2} + c\right )^{2} + 2 \, a^{2} d x^{2} \cosh \left (d x^{2} + c\right ) \sinh \left (d x^{2} + c\right ) + a^{2} d x^{2} \sinh \left (d x^{2} + c\right )^{2} - a^{2} d x^{2} - 2 \, b^{2} - 2 \, {\left (a b \cosh \left (d x^{2} + c\right )^{2} + 2 \, a b \cosh \left (d x^{2} + c\right ) \sinh \left (d x^{2} + c\right ) + a b \sinh \left (d x^{2} + c\right )^{2} - a b\right )} \log \left (\cosh \left (d x^{2} + c\right ) + \sinh \left (d x^{2} + c\right ) + 1\right ) + 2 \, {\left (a b \cosh \left (d x^{2} + c\right )^{2} + 2 \, a b \cosh \left (d x^{2} + c\right ) \sinh \left (d x^{2} + c\right ) + a b \sinh \left (d x^{2} + c\right )^{2} - a b\right )} \log \left (\cosh \left (d x^{2} + c\right ) + \sinh \left (d x^{2} + c\right ) - 1\right )}{2 \, {\left (d \cosh \left (d x^{2} + c\right )^{2} + 2 \, d \cosh \left (d x^{2} + c\right ) \sinh \left (d x^{2} + c\right ) + d \sinh \left (d x^{2} + c\right )^{2} - d\right )}} \]
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\[ \int x \left (a+b \text {csch}\left (c+d x^2\right )\right )^2 \, dx=\int x \left (a + b \operatorname {csch}{\left (c + d x^{2} \right )}\right )^{2}\, dx \]
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Time = 0.22 (sec) , antiderivative size = 49, normalized size of antiderivative = 1.09 \[ \int x \left (a+b \text {csch}\left (c+d x^2\right )\right )^2 \, dx=\frac {1}{2} \, a^{2} x^{2} + \frac {a b \log \left (\tanh \left (\frac {1}{2} \, d x^{2} + \frac {1}{2} \, c\right )\right )}{d} + \frac {b^{2}}{d {\left (e^{\left (-2 \, d x^{2} - 2 \, c\right )} - 1\right )}} \]
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Time = 0.27 (sec) , antiderivative size = 75, normalized size of antiderivative = 1.67 \[ \int x \left (a+b \text {csch}\left (c+d x^2\right )\right )^2 \, dx=\frac {{\left (d x^{2} + c\right )} a^{2}}{2 \, d} - \frac {a b \log \left (e^{\left (d x^{2} + c\right )} + 1\right )}{d} + \frac {a b \log \left ({\left | e^{\left (d x^{2} + c\right )} - 1 \right |}\right )}{d} - \frac {b^{2}}{d {\left (e^{\left (2 \, d x^{2} + 2 \, c\right )} - 1\right )}} \]
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Time = 0.11 (sec) , antiderivative size = 81, normalized size of antiderivative = 1.80 \[ \int x \left (a+b \text {csch}\left (c+d x^2\right )\right )^2 \, dx=\frac {a^2\,x^2}{2}-\frac {b^2}{d\,\left ({\mathrm {e}}^{2\,d\,x^2+2\,c}-1\right )}-\frac {2\,\mathrm {atan}\left (\frac {a\,b\,{\mathrm {e}}^{d\,x^2}\,{\mathrm {e}}^c\,\sqrt {-d^2}}{d\,\sqrt {a^2\,b^2}}\right )\,\sqrt {a^2\,b^2}}{\sqrt {-d^2}} \]
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