Integrand size = 27, antiderivative size = 122 \[ \int \frac {\text {sech}^2(c+d x) \tanh (c+d x)}{a+b \sinh (c+d x)} \, dx=-\frac {b \left (a^2-b^2\right ) \arctan (\sinh (c+d x))}{2 \left (a^2+b^2\right )^2 d}+\frac {a b^2 \log (\cosh (c+d x))}{\left (a^2+b^2\right )^2 d}-\frac {a b^2 \log (a+b \sinh (c+d x))}{\left (a^2+b^2\right )^2 d}-\frac {\text {sech}^2(c+d x) (a-b \sinh (c+d x))}{2 \left (a^2+b^2\right ) d} \]
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Time = 0.14 (sec) , antiderivative size = 122, normalized size of antiderivative = 1.00, number of steps used = 8, number of rules used = 7, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.259, Rules used = {2916, 12, 837, 815, 649, 209, 266} \[ \int \frac {\text {sech}^2(c+d x) \tanh (c+d x)}{a+b \sinh (c+d x)} \, dx=-\frac {b \left (a^2-b^2\right ) \arctan (\sinh (c+d x))}{2 d \left (a^2+b^2\right )^2}-\frac {a b^2 \log (a+b \sinh (c+d x))}{d \left (a^2+b^2\right )^2}+\frac {a b^2 \log (\cosh (c+d x))}{d \left (a^2+b^2\right )^2}-\frac {\text {sech}^2(c+d x) (a-b \sinh (c+d x))}{2 d \left (a^2+b^2\right )} \]
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Rule 12
Rule 209
Rule 266
Rule 649
Rule 815
Rule 837
Rule 2916
Rubi steps \begin{align*} \text {integral}& = \frac {b^3 \text {Subst}\left (\int \frac {x}{b (a+x) \left (-b^2-x^2\right )^2} \, dx,x,b \sinh (c+d x)\right )}{d} \\ & = \frac {b^2 \text {Subst}\left (\int \frac {x}{(a+x) \left (-b^2-x^2\right )^2} \, dx,x,b \sinh (c+d x)\right )}{d} \\ & = -\frac {\text {sech}^2(c+d x) (a-b \sinh (c+d x))}{2 \left (a^2+b^2\right ) d}+\frac {\text {Subst}\left (\int \frac {a b^2-b^2 x}{(a+x) \left (-b^2-x^2\right )} \, dx,x,b \sinh (c+d x)\right )}{2 \left (a^2+b^2\right ) d} \\ & = -\frac {\text {sech}^2(c+d x) (a-b \sinh (c+d x))}{2 \left (a^2+b^2\right ) d}+\frac {\text {Subst}\left (\int \left (-\frac {2 a b^2}{\left (a^2+b^2\right ) (a+x)}+\frac {b^2 \left (-a^2+b^2+2 a x\right )}{\left (a^2+b^2\right ) \left (b^2+x^2\right )}\right ) \, dx,x,b \sinh (c+d x)\right )}{2 \left (a^2+b^2\right ) d} \\ & = -\frac {a b^2 \log (a+b \sinh (c+d x))}{\left (a^2+b^2\right )^2 d}-\frac {\text {sech}^2(c+d x) (a-b \sinh (c+d x))}{2 \left (a^2+b^2\right ) d}+\frac {b^2 \text {Subst}\left (\int \frac {-a^2+b^2+2 a x}{b^2+x^2} \, dx,x,b \sinh (c+d x)\right )}{2 \left (a^2+b^2\right )^2 d} \\ & = -\frac {a b^2 \log (a+b \sinh (c+d x))}{\left (a^2+b^2\right )^2 d}-\frac {\text {sech}^2(c+d x) (a-b \sinh (c+d x))}{2 \left (a^2+b^2\right ) d}+\frac {\left (a b^2\right ) \text {Subst}\left (\int \frac {x}{b^2+x^2} \, dx,x,b \sinh (c+d x)\right )}{\left (a^2+b^2\right )^2 d}-\frac {\left (b^2 \left (a^2-b^2\right )\right ) \text {Subst}\left (\int \frac {1}{b^2+x^2} \, dx,x,b \sinh (c+d x)\right )}{2 \left (a^2+b^2\right )^2 d} \\ & = -\frac {b \left (a^2-b^2\right ) \arctan (\sinh (c+d x))}{2 \left (a^2+b^2\right )^2 d}+\frac {a b^2 \log (\cosh (c+d x))}{\left (a^2+b^2\right )^2 d}-\frac {a b^2 \log (a+b \sinh (c+d x))}{\left (a^2+b^2\right )^2 d}-\frac {\text {sech}^2(c+d x) (a-b \sinh (c+d x))}{2 \left (a^2+b^2\right ) d} \\ \end{align*}
Result contains complex when optimal does not.
Time = 0.47 (sec) , antiderivative size = 130, normalized size of antiderivative = 1.07 \[ \int \frac {\text {sech}^2(c+d x) \tanh (c+d x)}{a+b \sinh (c+d x)} \, dx=-\frac {i \left (-\frac {b \log (i-\sinh (c+d x))}{(a+i b)^2}+\frac {b \log (i+\sinh (c+d x))}{(a-i b)^2}-\frac {4 i a b^2 \log (a+b \sinh (c+d x))}{\left (a^2+b^2\right )^2}-\frac {1}{(a+i b) (-i+\sinh (c+d x))}+\frac {1}{(a-i b) (i+\sinh (c+d x))}\right )}{4 d} \]
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Time = 7.81 (sec) , antiderivative size = 212, normalized size of antiderivative = 1.74
method | result | size |
derivativedivides | \(\frac {-\frac {2 \left (\frac {\left (\frac {1}{2} a^{2} b +\frac {1}{2} b^{3}\right ) \tanh \left (\frac {d x}{2}+\frac {c}{2}\right )^{3}+\left (-a^{3}-a \,b^{2}\right ) \tanh \left (\frac {d x}{2}+\frac {c}{2}\right )^{2}+\left (-\frac {1}{2} a^{2} b -\frac {1}{2} b^{3}\right ) \tanh \left (\frac {d x}{2}+\frac {c}{2}\right )}{\left (1+\tanh \left (\frac {d x}{2}+\frac {c}{2}\right )^{2}\right )^{2}}+\frac {b \left (-a b \ln \left (1+\tanh \left (\frac {d x}{2}+\frac {c}{2}\right )^{2}\right )+\left (a^{2}-b^{2}\right ) \arctan \left (\tanh \left (\frac {d x}{2}+\frac {c}{2}\right )\right )\right )}{2}\right )}{a^{4}+2 a^{2} b^{2}+b^{4}}-\frac {2 a \,b^{2} \ln \left (\tanh \left (\frac {d x}{2}+\frac {c}{2}\right )^{2} a -2 b \tanh \left (\frac {d x}{2}+\frac {c}{2}\right )-a \right )}{2 a^{4}+4 a^{2} b^{2}+2 b^{4}}}{d}\) | \(212\) |
default | \(\frac {-\frac {2 \left (\frac {\left (\frac {1}{2} a^{2} b +\frac {1}{2} b^{3}\right ) \tanh \left (\frac {d x}{2}+\frac {c}{2}\right )^{3}+\left (-a^{3}-a \,b^{2}\right ) \tanh \left (\frac {d x}{2}+\frac {c}{2}\right )^{2}+\left (-\frac {1}{2} a^{2} b -\frac {1}{2} b^{3}\right ) \tanh \left (\frac {d x}{2}+\frac {c}{2}\right )}{\left (1+\tanh \left (\frac {d x}{2}+\frac {c}{2}\right )^{2}\right )^{2}}+\frac {b \left (-a b \ln \left (1+\tanh \left (\frac {d x}{2}+\frac {c}{2}\right )^{2}\right )+\left (a^{2}-b^{2}\right ) \arctan \left (\tanh \left (\frac {d x}{2}+\frac {c}{2}\right )\right )\right )}{2}\right )}{a^{4}+2 a^{2} b^{2}+b^{4}}-\frac {2 a \,b^{2} \ln \left (\tanh \left (\frac {d x}{2}+\frac {c}{2}\right )^{2} a -2 b \tanh \left (\frac {d x}{2}+\frac {c}{2}\right )-a \right )}{2 a^{4}+4 a^{2} b^{2}+2 b^{4}}}{d}\) | \(212\) |
risch | \(-\frac {2 a \,b^{2} d^{2} x}{a^{4} d^{2}+2 a^{2} b^{2} d^{2}+b^{4} d^{2}}-\frac {2 a \,b^{2} d c}{a^{4} d^{2}+2 a^{2} b^{2} d^{2}+b^{4} d^{2}}+\frac {2 a \,b^{2} x}{a^{4}+2 a^{2} b^{2}+b^{4}}+\frac {2 a \,b^{2} c}{d \left (a^{4}+2 a^{2} b^{2}+b^{4}\right )}-\frac {{\mathrm e}^{d x +c} \left (-b \,{\mathrm e}^{2 d x +2 c}+2 a \,{\mathrm e}^{d x +c}+b \right )}{d \left (a^{2}+b^{2}\right ) \left (1+{\mathrm e}^{2 d x +2 c}\right )^{2}}-\frac {i b \ln \left ({\mathrm e}^{d x +c}+i\right ) a^{2}}{2 \left (a^{4}+2 a^{2} b^{2}+b^{4}\right ) d}+\frac {i b^{3} \ln \left ({\mathrm e}^{d x +c}+i\right )}{2 \left (a^{4}+2 a^{2} b^{2}+b^{4}\right ) d}+\frac {b^{2} \ln \left ({\mathrm e}^{d x +c}+i\right ) a}{\left (a^{4}+2 a^{2} b^{2}+b^{4}\right ) d}+\frac {i b \ln \left ({\mathrm e}^{d x +c}-i\right ) a^{2}}{2 \left (a^{4}+2 a^{2} b^{2}+b^{4}\right ) d}-\frac {i b^{3} \ln \left ({\mathrm e}^{d x +c}-i\right )}{2 \left (a^{4}+2 a^{2} b^{2}+b^{4}\right ) d}+\frac {b^{2} \ln \left ({\mathrm e}^{d x +c}-i\right ) a}{\left (a^{4}+2 a^{2} b^{2}+b^{4}\right ) d}-\frac {a \,b^{2} \ln \left ({\mathrm e}^{2 d x +2 c}+\frac {2 a \,{\mathrm e}^{d x +c}}{b}-1\right )}{d \left (a^{4}+2 a^{2} b^{2}+b^{4}\right )}\) | \(449\) |
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Leaf count of result is larger than twice the leaf count of optimal. 926 vs. \(2 (119) = 238\).
Time = 0.27 (sec) , antiderivative size = 926, normalized size of antiderivative = 7.59 \[ \int \frac {\text {sech}^2(c+d x) \tanh (c+d x)}{a+b \sinh (c+d x)} \, dx=\text {Too large to display} \]
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\[ \int \frac {\text {sech}^2(c+d x) \tanh (c+d x)}{a+b \sinh (c+d x)} \, dx=\int \frac {\tanh {\left (c + d x \right )} \operatorname {sech}^{2}{\left (c + d x \right )}}{a + b \sinh {\left (c + d x \right )}}\, dx \]
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Time = 0.29 (sec) , antiderivative size = 218, normalized size of antiderivative = 1.79 \[ \int \frac {\text {sech}^2(c+d x) \tanh (c+d x)}{a+b \sinh (c+d x)} \, dx=-\frac {a b^{2} \log \left (-2 \, a e^{\left (-d x - c\right )} + b e^{\left (-2 \, d x - 2 \, c\right )} - b\right )}{{\left (a^{4} + 2 \, a^{2} b^{2} + b^{4}\right )} d} + \frac {a b^{2} \log \left (e^{\left (-2 \, d x - 2 \, c\right )} + 1\right )}{{\left (a^{4} + 2 \, a^{2} b^{2} + b^{4}\right )} d} + \frac {{\left (a^{2} b - b^{3}\right )} \arctan \left (e^{\left (-d x - c\right )}\right )}{{\left (a^{4} + 2 \, a^{2} b^{2} + b^{4}\right )} d} + \frac {b e^{\left (-d x - c\right )} - 2 \, a e^{\left (-2 \, d x - 2 \, c\right )} - b e^{\left (-3 \, d x - 3 \, c\right )}}{{\left (a^{2} + b^{2} + 2 \, {\left (a^{2} + b^{2}\right )} e^{\left (-2 \, d x - 2 \, c\right )} + {\left (a^{2} + b^{2}\right )} e^{\left (-4 \, d x - 4 \, c\right )}\right )} d} \]
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Leaf count of result is larger than twice the leaf count of optimal. 286 vs. \(2 (119) = 238\).
Time = 0.32 (sec) , antiderivative size = 286, normalized size of antiderivative = 2.34 \[ \int \frac {\text {sech}^2(c+d x) \tanh (c+d x)}{a+b \sinh (c+d x)} \, dx=-\frac {\frac {4 \, a b^{3} \log \left ({\left | b {\left (e^{\left (d x + c\right )} - e^{\left (-d x - c\right )}\right )} + 2 \, a \right |}\right )}{a^{4} b + 2 \, a^{2} b^{3} + b^{5}} - \frac {2 \, a b^{2} \log \left ({\left (e^{\left (d x + c\right )} - e^{\left (-d x - c\right )}\right )}^{2} + 4\right )}{a^{4} + 2 \, a^{2} b^{2} + b^{4}} + \frac {{\left (\pi + 2 \, \arctan \left (\frac {1}{2} \, {\left (e^{\left (2 \, d x + 2 \, c\right )} - 1\right )} e^{\left (-d x - c\right )}\right )\right )} {\left (a^{2} b - b^{3}\right )}}{a^{4} + 2 \, a^{2} b^{2} + b^{4}} + \frac {2 \, {\left (a b^{2} {\left (e^{\left (d x + c\right )} - e^{\left (-d x - c\right )}\right )}^{2} - 2 \, a^{2} b {\left (e^{\left (d x + c\right )} - e^{\left (-d x - c\right )}\right )} - 2 \, b^{3} {\left (e^{\left (d x + c\right )} - e^{\left (-d x - c\right )}\right )} + 4 \, a^{3} + 8 \, a b^{2}\right )}}{{\left (a^{4} + 2 \, a^{2} b^{2} + b^{4}\right )} {\left ({\left (e^{\left (d x + c\right )} - e^{\left (-d x - c\right )}\right )}^{2} + 4\right )}}}{4 \, d} \]
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Time = 2.80 (sec) , antiderivative size = 337, normalized size of antiderivative = 2.76 \[ \int \frac {\text {sech}^2(c+d x) \tanh (c+d x)}{a+b \sinh (c+d x)} \, dx=\frac {\frac {2\,a}{d\,\left (a^2+b^2\right )}-\frac {2\,b\,{\mathrm {e}}^{c+d\,x}}{d\,\left (a^2+b^2\right )}}{2\,{\mathrm {e}}^{2\,c+2\,d\,x}+{\mathrm {e}}^{4\,c+4\,d\,x}+1}-\frac {\frac {2\,\left (a^3+a\,b^2\right )}{d\,{\left (a^2+b^2\right )}^2}-\frac {{\mathrm {e}}^{c+d\,x}\,\left (a^2\,b+b^3\right )}{d\,{\left (a^2+b^2\right )}^2}}{{\mathrm {e}}^{2\,c+2\,d\,x}+1}+\frac {b\,\ln \left (1+{\mathrm {e}}^{c+d\,x}\,1{}\mathrm {i}\right )}{2\,\left (-1{}\mathrm {i}\,d\,a^2+2\,d\,a\,b+1{}\mathrm {i}\,d\,b^2\right )}-\frac {a\,b^2\,\ln \left (b^6\,{\mathrm {e}}^{2\,c}\,{\mathrm {e}}^{2\,d\,x}-14\,a^2\,b^4-a^4\,b^2-b^6+28\,a^3\,b^3\,{\mathrm {e}}^{d\,x}\,{\mathrm {e}}^c+14\,a^2\,b^4\,{\mathrm {e}}^{2\,c}\,{\mathrm {e}}^{2\,d\,x}+a^4\,b^2\,{\mathrm {e}}^{2\,c}\,{\mathrm {e}}^{2\,d\,x}+2\,a\,b^5\,{\mathrm {e}}^{d\,x}\,{\mathrm {e}}^c+2\,a^5\,b\,{\mathrm {e}}^{d\,x}\,{\mathrm {e}}^c\right )}{d\,a^4+2\,d\,a^2\,b^2+d\,b^4}+\frac {b\,\ln \left ({\mathrm {e}}^{c+d\,x}+1{}\mathrm {i}\right )\,1{}\mathrm {i}}{2\,\left (-d\,a^2+2{}\mathrm {i}\,d\,a\,b+d\,b^2\right )} \]
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