Integrand size = 29, antiderivative size = 268 \[ \int \frac {(e+f x)^2 \text {sech}(c+d x)}{a+i a \sinh (c+d x)} \, dx=\frac {(e+f x)^2 \arctan \left (e^{c+d x}\right )}{a d}-\frac {f^2 \arctan (\sinh (c+d x))}{a d^3}+\frac {i f^2 \log (\cosh (c+d x))}{a d^3}-\frac {i f (e+f x) \operatorname {PolyLog}\left (2,-i e^{c+d x}\right )}{a d^2}+\frac {i f (e+f x) \operatorname {PolyLog}\left (2,i e^{c+d x}\right )}{a d^2}+\frac {i f^2 \operatorname {PolyLog}\left (3,-i e^{c+d x}\right )}{a d^3}-\frac {i f^2 \operatorname {PolyLog}\left (3,i e^{c+d x}\right )}{a d^3}+\frac {f (e+f x) \text {sech}(c+d x)}{a d^2}+\frac {i (e+f x)^2 \text {sech}^2(c+d x)}{2 a d}-\frac {i f (e+f x) \tanh (c+d x)}{a d^2}+\frac {(e+f x)^2 \text {sech}(c+d x) \tanh (c+d x)}{2 a d} \]
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Time = 0.19 (sec) , antiderivative size = 268, normalized size of antiderivative = 1.00, number of steps used = 13, number of rules used = 10, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.345, Rules used = {5690, 4271, 3855, 4265, 2611, 2320, 6724, 5559, 4269, 3556} \[ \int \frac {(e+f x)^2 \text {sech}(c+d x)}{a+i a \sinh (c+d x)} \, dx=-\frac {f^2 \arctan (\sinh (c+d x))}{a d^3}+\frac {(e+f x)^2 \arctan \left (e^{c+d x}\right )}{a d}+\frac {i f^2 \operatorname {PolyLog}\left (3,-i e^{c+d x}\right )}{a d^3}-\frac {i f^2 \operatorname {PolyLog}\left (3,i e^{c+d x}\right )}{a d^3}+\frac {i f^2 \log (\cosh (c+d x))}{a d^3}-\frac {i f (e+f x) \operatorname {PolyLog}\left (2,-i e^{c+d x}\right )}{a d^2}+\frac {i f (e+f x) \operatorname {PolyLog}\left (2,i e^{c+d x}\right )}{a d^2}-\frac {i f (e+f x) \tanh (c+d x)}{a d^2}+\frac {f (e+f x) \text {sech}(c+d x)}{a d^2}+\frac {i (e+f x)^2 \text {sech}^2(c+d x)}{2 a d}+\frac {(e+f x)^2 \tanh (c+d x) \text {sech}(c+d x)}{2 a d} \]
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Rule 2320
Rule 2611
Rule 3556
Rule 3855
Rule 4265
Rule 4269
Rule 4271
Rule 5559
Rule 5690
Rule 6724
Rubi steps \begin{align*} \text {integral}& = -\frac {i \int (e+f x)^2 \text {sech}^2(c+d x) \tanh (c+d x) \, dx}{a}+\frac {\int (e+f x)^2 \text {sech}^3(c+d x) \, dx}{a} \\ & = \frac {f (e+f x) \text {sech}(c+d x)}{a d^2}+\frac {i (e+f x)^2 \text {sech}^2(c+d x)}{2 a d}+\frac {(e+f x)^2 \text {sech}(c+d x) \tanh (c+d x)}{2 a d}+\frac {\int (e+f x)^2 \text {sech}(c+d x) \, dx}{2 a}-\frac {(i f) \int (e+f x) \text {sech}^2(c+d x) \, dx}{a d}-\frac {f^2 \int \text {sech}(c+d x) \, dx}{a d^2} \\ & = \frac {(e+f x)^2 \arctan \left (e^{c+d x}\right )}{a d}-\frac {f^2 \arctan (\sinh (c+d x))}{a d^3}+\frac {f (e+f x) \text {sech}(c+d x)}{a d^2}+\frac {i (e+f x)^2 \text {sech}^2(c+d x)}{2 a d}-\frac {i f (e+f x) \tanh (c+d x)}{a d^2}+\frac {(e+f x)^2 \text {sech}(c+d x) \tanh (c+d x)}{2 a d}-\frac {(i f) \int (e+f x) \log \left (1-i e^{c+d x}\right ) \, dx}{a d}+\frac {(i f) \int (e+f x) \log \left (1+i e^{c+d x}\right ) \, dx}{a d}+\frac {\left (i f^2\right ) \int \tanh (c+d x) \, dx}{a d^2} \\ & = \frac {(e+f x)^2 \arctan \left (e^{c+d x}\right )}{a d}-\frac {f^2 \arctan (\sinh (c+d x))}{a d^3}+\frac {i f^2 \log (\cosh (c+d x))}{a d^3}-\frac {i f (e+f x) \operatorname {PolyLog}\left (2,-i e^{c+d x}\right )}{a d^2}+\frac {i f (e+f x) \operatorname {PolyLog}\left (2,i e^{c+d x}\right )}{a d^2}+\frac {f (e+f x) \text {sech}(c+d x)}{a d^2}+\frac {i (e+f x)^2 \text {sech}^2(c+d x)}{2 a d}-\frac {i f (e+f x) \tanh (c+d x)}{a d^2}+\frac {(e+f x)^2 \text {sech}(c+d x) \tanh (c+d x)}{2 a d}+\frac {\left (i f^2\right ) \int \operatorname {PolyLog}\left (2,-i e^{c+d x}\right ) \, dx}{a d^2}-\frac {\left (i f^2\right ) \int \operatorname {PolyLog}\left (2,i e^{c+d x}\right ) \, dx}{a d^2} \\ & = \frac {(e+f x)^2 \arctan \left (e^{c+d x}\right )}{a d}-\frac {f^2 \arctan (\sinh (c+d x))}{a d^3}+\frac {i f^2 \log (\cosh (c+d x))}{a d^3}-\frac {i f (e+f x) \operatorname {PolyLog}\left (2,-i e^{c+d x}\right )}{a d^2}+\frac {i f (e+f x) \operatorname {PolyLog}\left (2,i e^{c+d x}\right )}{a d^2}+\frac {f (e+f x) \text {sech}(c+d x)}{a d^2}+\frac {i (e+f x)^2 \text {sech}^2(c+d x)}{2 a d}-\frac {i f (e+f x) \tanh (c+d x)}{a d^2}+\frac {(e+f x)^2 \text {sech}(c+d x) \tanh (c+d x)}{2 a d}+\frac {\left (i f^2\right ) \text {Subst}\left (\int \frac {\operatorname {PolyLog}(2,-i x)}{x} \, dx,x,e^{c+d x}\right )}{a d^3}-\frac {\left (i f^2\right ) \text {Subst}\left (\int \frac {\operatorname {PolyLog}(2,i x)}{x} \, dx,x,e^{c+d x}\right )}{a d^3} \\ & = \frac {(e+f x)^2 \arctan \left (e^{c+d x}\right )}{a d}-\frac {f^2 \arctan (\sinh (c+d x))}{a d^3}+\frac {i f^2 \log (\cosh (c+d x))}{a d^3}-\frac {i f (e+f x) \operatorname {PolyLog}\left (2,-i e^{c+d x}\right )}{a d^2}+\frac {i f (e+f x) \operatorname {PolyLog}\left (2,i e^{c+d x}\right )}{a d^2}+\frac {i f^2 \operatorname {PolyLog}\left (3,-i e^{c+d x}\right )}{a d^3}-\frac {i f^2 \operatorname {PolyLog}\left (3,i e^{c+d x}\right )}{a d^3}+\frac {f (e+f x) \text {sech}(c+d x)}{a d^2}+\frac {i (e+f x)^2 \text {sech}^2(c+d x)}{2 a d}-\frac {i f (e+f x) \tanh (c+d x)}{a d^2}+\frac {(e+f x)^2 \text {sech}(c+d x) \tanh (c+d x)}{2 a d} \\ \end{align*}
Time = 5.80 (sec) , antiderivative size = 530, normalized size of antiderivative = 1.98 \[ \int \frac {(e+f x)^2 \text {sech}(c+d x)}{a+i a \sinh (c+d x)} \, dx=-\frac {\frac {\frac {(e+f x)^3}{f}+\frac {3 \left (1-i e^c\right ) (e+f x)^2 \log \left (1+i e^{-c-d x}\right )}{d}+\frac {6 i \left (i+e^c\right ) f \left (d (e+f x) \operatorname {PolyLog}\left (2,-i e^{-c-d x}\right )+f \operatorname {PolyLog}\left (3,-i e^{-c-d x}\right )\right )}{d^3}}{i+e^c}+\frac {3 d^2 e^2 x-12 f^2 x-3 \left (1+i e^c\right ) \left (d^2 e^2-4 f^2\right ) x+3 d^2 e f x^2+d^2 f^2 x^3+6 d e \left (1+i e^c\right ) f x \log \left (1-i e^{-c-d x}\right )+3 d \left (1+i e^c\right ) f^2 x^2 \log \left (1-i e^{-c-d x}\right )+\frac {3 \left (1+i e^c\right ) \left (d^2 e^2-4 f^2\right ) \log \left (i-e^{c+d x}\right )}{d}-6 e \left (1+i e^c\right ) f \operatorname {PolyLog}\left (2,i e^{-c-d x}\right )-6 \left (1+i e^c\right ) f^2 x \operatorname {PolyLog}\left (2,i e^{-c-d x}\right )-\frac {6 \left (1+i e^c\right ) f^2 \operatorname {PolyLog}\left (3,i e^{-c-d x}\right )}{d}}{d^2 \left (-i+e^c\right )}-x \left (3 e^2+3 e f x+f^2 x^2\right ) \text {sech}(c)-\frac {3 i (e+f x)^2}{d \left (\cosh \left (\frac {1}{2} (c+d x)\right )+i \sinh \left (\frac {1}{2} (c+d x)\right )\right )^2}+\frac {12 i f (e+f x) \sinh \left (\frac {d x}{2}\right )}{d^2 \left (\cosh \left (\frac {c}{2}\right )+i \sinh \left (\frac {c}{2}\right )\right ) \left (\cosh \left (\frac {1}{2} (c+d x)\right )+i \sinh \left (\frac {1}{2} (c+d x)\right )\right )}}{6 a} \]
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 549 vs. \(2 (248 ) = 496\).
Time = 9.47 (sec) , antiderivative size = 550, normalized size of antiderivative = 2.05
method | result | size |
risch | \(\frac {d \,x^{2} f^{2} {\mathrm e}^{d x +c}+2 d e f x \,{\mathrm e}^{d x +c}+d \,e^{2} {\mathrm e}^{d x +c}-2 i f^{2} x +2 f^{2} x \,{\mathrm e}^{d x +c}-2 i e f +2 e f \,{\mathrm e}^{d x +c}}{\left ({\mathrm e}^{d x +c}-i\right )^{2} d^{2} a}+\frac {i \ln \left (1-i {\mathrm e}^{d x +c}\right ) e f x}{a d}-\frac {i \ln \left (1+i {\mathrm e}^{d x +c}\right ) f^{2} x^{2}}{2 a d}+\frac {i f^{2} \ln \left (1+i {\mathrm e}^{d x +c}\right ) c^{2}}{2 d^{3} a}-\frac {2 c e f \arctan \left ({\mathrm e}^{d x +c}\right )}{a \,d^{2}}-\frac {2 f^{2} \arctan \left ({\mathrm e}^{d x +c}\right )}{a \,d^{3}}+\frac {e^{2} \arctan \left ({\mathrm e}^{d x +c}\right )}{a d}+\frac {c^{2} f^{2} \arctan \left ({\mathrm e}^{d x +c}\right )}{a \,d^{3}}-\frac {i \ln \left (1+i {\mathrm e}^{d x +c}\right ) e f x}{a d}-\frac {2 i f^{2} \ln \left ({\mathrm e}^{d x +c}\right )}{a \,d^{3}}+\frac {i \ln \left (1-i {\mathrm e}^{d x +c}\right ) f^{2} x^{2}}{2 a d}-\frac {i e f \operatorname {polylog}\left (2, -i {\mathrm e}^{d x +c}\right )}{a \,d^{2}}+\frac {i \ln \left (1-i {\mathrm e}^{d x +c}\right ) c e f}{a \,d^{2}}+\frac {i e f \operatorname {polylog}\left (2, i {\mathrm e}^{d x +c}\right )}{a \,d^{2}}-\frac {i \operatorname {polylog}\left (2, -i {\mathrm e}^{d x +c}\right ) f^{2} x}{a \,d^{2}}-\frac {i e f \ln \left (1+i {\mathrm e}^{d x +c}\right ) c}{d^{2} a}+\frac {i \operatorname {polylog}\left (2, i {\mathrm e}^{d x +c}\right ) f^{2} x}{a \,d^{2}}+\frac {i f^{2} \ln \left (1+{\mathrm e}^{2 d x +2 c}\right )}{a \,d^{3}}-\frac {i \ln \left (1-i {\mathrm e}^{d x +c}\right ) c^{2} f^{2}}{2 a \,d^{3}}+\frac {i f^{2} \operatorname {polylog}\left (3, -i {\mathrm e}^{d x +c}\right )}{a \,d^{3}}-\frac {i f^{2} \operatorname {polylog}\left (3, i {\mathrm e}^{d x +c}\right )}{a \,d^{3}}\) | \(550\) |
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 805 vs. \(2 (235) = 470\).
Time = 0.25 (sec) , antiderivative size = 805, normalized size of antiderivative = 3.00 \[ \int \frac {(e+f x)^2 \text {sech}(c+d x)}{a+i a \sinh (c+d x)} \, dx=\frac {-4 i \, d e f + 4 i \, c f^{2} - 2 \, {\left (i \, d f^{2} x + i \, d e f + {\left (-i \, d f^{2} x - i \, d e f\right )} e^{\left (2 \, d x + 2 \, c\right )} - 2 \, {\left (d f^{2} x + d e f\right )} e^{\left (d x + c\right )}\right )} {\rm Li}_2\left (i \, e^{\left (d x + c\right )}\right ) - 2 \, {\left (-i \, d f^{2} x - i \, d e f + {\left (i \, d f^{2} x + i \, d e f\right )} e^{\left (2 \, d x + 2 \, c\right )} + 2 \, {\left (d f^{2} x + d e f\right )} e^{\left (d x + c\right )}\right )} {\rm Li}_2\left (-i \, e^{\left (d x + c\right )}\right ) - 4 \, {\left (i \, d f^{2} x + i \, c f^{2}\right )} e^{\left (2 \, d x + 2 \, c\right )} + 2 \, {\left (d^{2} f^{2} x^{2} + d^{2} e^{2} + 2 \, d e f - 4 \, c f^{2} + 2 \, {\left (d^{2} e f - d f^{2}\right )} x\right )} e^{\left (d x + c\right )} + {\left (-i \, d^{2} e^{2} + 2 i \, c d e f - i \, c^{2} f^{2} + {\left (i \, d^{2} e^{2} - 2 i \, c d e f + i \, c^{2} f^{2}\right )} e^{\left (2 \, d x + 2 \, c\right )} + 2 \, {\left (d^{2} e^{2} - 2 \, c d e f + c^{2} f^{2}\right )} e^{\left (d x + c\right )}\right )} \log \left (e^{\left (d x + c\right )} + i\right ) + {\left (i \, d^{2} e^{2} - 2 i \, c d e f + {\left (i \, c^{2} - 4 i\right )} f^{2} + {\left (-i \, d^{2} e^{2} + 2 i \, c d e f + {\left (-i \, c^{2} + 4 i\right )} f^{2}\right )} e^{\left (2 \, d x + 2 \, c\right )} - 2 \, {\left (d^{2} e^{2} - 2 \, c d e f + {\left (c^{2} - 4\right )} f^{2}\right )} e^{\left (d x + c\right )}\right )} \log \left (e^{\left (d x + c\right )} - i\right ) + {\left (i \, d^{2} f^{2} x^{2} + 2 i \, d^{2} e f x + 2 i \, c d e f - i \, c^{2} f^{2} + {\left (-i \, d^{2} f^{2} x^{2} - 2 i \, d^{2} e f x - 2 i \, c d e f + i \, c^{2} f^{2}\right )} e^{\left (2 \, d x + 2 \, c\right )} - 2 \, {\left (d^{2} f^{2} x^{2} + 2 \, d^{2} e f x + 2 \, c d e f - c^{2} f^{2}\right )} e^{\left (d x + c\right )}\right )} \log \left (i \, e^{\left (d x + c\right )} + 1\right ) + {\left (-i \, d^{2} f^{2} x^{2} - 2 i \, d^{2} e f x - 2 i \, c d e f + i \, c^{2} f^{2} + {\left (i \, d^{2} f^{2} x^{2} + 2 i \, d^{2} e f x + 2 i \, c d e f - i \, c^{2} f^{2}\right )} e^{\left (2 \, d x + 2 \, c\right )} + 2 \, {\left (d^{2} f^{2} x^{2} + 2 \, d^{2} e f x + 2 \, c d e f - c^{2} f^{2}\right )} e^{\left (d x + c\right )}\right )} \log \left (-i \, e^{\left (d x + c\right )} + 1\right ) - 2 \, {\left (i \, f^{2} e^{\left (2 \, d x + 2 \, c\right )} + 2 \, f^{2} e^{\left (d x + c\right )} - i \, f^{2}\right )} {\rm polylog}\left (3, i \, e^{\left (d x + c\right )}\right ) - 2 \, {\left (-i \, f^{2} e^{\left (2 \, d x + 2 \, c\right )} - 2 \, f^{2} e^{\left (d x + c\right )} + i \, f^{2}\right )} {\rm polylog}\left (3, -i \, e^{\left (d x + c\right )}\right )}{2 \, {\left (a d^{3} e^{\left (2 \, d x + 2 \, c\right )} - 2 i \, a d^{3} e^{\left (d x + c\right )} - a d^{3}\right )}} \]
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\[ \int \frac {(e+f x)^2 \text {sech}(c+d x)}{a+i a \sinh (c+d x)} \, dx=- \frac {i \left (\int \frac {e^{2} \operatorname {sech}{\left (c + d x \right )}}{\sinh {\left (c + d x \right )} - i}\, dx + \int \frac {f^{2} x^{2} \operatorname {sech}{\left (c + d x \right )}}{\sinh {\left (c + d x \right )} - i}\, dx + \int \frac {2 e f x \operatorname {sech}{\left (c + d x \right )}}{\sinh {\left (c + d x \right )} - i}\, dx\right )}{a} \]
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Time = 0.40 (sec) , antiderivative size = 387, normalized size of antiderivative = 1.44 \[ \int \frac {(e+f x)^2 \text {sech}(c+d x)}{a+i a \sinh (c+d x)} \, dx=-\frac {1}{2} \, e^{2} {\left (\frac {4 \, e^{\left (-d x - c\right )}}{-2 \, {\left (-2 i \, a e^{\left (-d x - c\right )} - a e^{\left (-2 \, d x - 2 \, c\right )} + a\right )} d} + \frac {i \, \log \left (e^{\left (-d x - c\right )} + i\right )}{a d} - \frac {i \, \log \left (i \, e^{\left (-d x - c\right )} + 1\right )}{a d}\right )} + \frac {-2 i \, f^{2} x - 2 i \, e f + {\left (d f^{2} x^{2} e^{c} + 2 \, e f e^{c} + 2 \, {\left (d e f + f^{2}\right )} x e^{c}\right )} e^{\left (d x\right )}}{a d^{2} e^{\left (2 \, d x + 2 \, c\right )} - 2 i \, a d^{2} e^{\left (d x + c\right )} - a d^{2}} - \frac {i \, {\left (d x \log \left (i \, e^{\left (d x + c\right )} + 1\right ) + {\rm Li}_2\left (-i \, e^{\left (d x + c\right )}\right )\right )} e f}{a d^{2}} + \frac {i \, {\left (d x \log \left (-i \, e^{\left (d x + c\right )} + 1\right ) + {\rm Li}_2\left (i \, e^{\left (d x + c\right )}\right )\right )} e f}{a d^{2}} - \frac {2 i \, f^{2} x}{a d^{2}} - \frac {i \, {\left (d^{2} x^{2} \log \left (i \, e^{\left (d x + c\right )} + 1\right ) + 2 \, d x {\rm Li}_2\left (-i \, e^{\left (d x + c\right )}\right ) - 2 \, {\rm Li}_{3}(-i \, e^{\left (d x + c\right )})\right )} f^{2}}{2 \, a d^{3}} + \frac {i \, {\left (d^{2} x^{2} \log \left (-i \, e^{\left (d x + c\right )} + 1\right ) + 2 \, d x {\rm Li}_2\left (i \, e^{\left (d x + c\right )}\right ) - 2 \, {\rm Li}_{3}(i \, e^{\left (d x + c\right )})\right )} f^{2}}{2 \, a d^{3}} + \frac {2 i \, f^{2} \log \left (i \, e^{\left (d x + c\right )} + 1\right )}{a d^{3}} \]
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\[ \int \frac {(e+f x)^2 \text {sech}(c+d x)}{a+i a \sinh (c+d x)} \, dx=\int { \frac {{\left (f x + e\right )}^{2} \operatorname {sech}\left (d x + c\right )}{i \, a \sinh \left (d x + c\right ) + a} \,d x } \]
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Timed out. \[ \int \frac {(e+f x)^2 \text {sech}(c+d x)}{a+i a \sinh (c+d x)} \, dx=\int \frac {{\left (e+f\,x\right )}^2}{\mathrm {cosh}\left (c+d\,x\right )\,\left (a+a\,\mathrm {sinh}\left (c+d\,x\right )\,1{}\mathrm {i}\right )} \,d x \]
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