Integrand size = 29, antiderivative size = 106 \[ \int \frac {(e+f x)^2 \cosh (c+d x)}{a+i a \sinh (c+d x)} \, dx=\frac {i (e+f x)^3}{3 a f}-\frac {2 i (e+f x)^2 \log \left (1+i e^{c+d x}\right )}{a d}-\frac {4 i f (e+f x) \operatorname {PolyLog}\left (2,-i e^{c+d x}\right )}{a d^2}+\frac {4 i f^2 \operatorname {PolyLog}\left (3,-i e^{c+d x}\right )}{a d^3} \]
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Time = 0.13 (sec) , antiderivative size = 106, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.172, Rules used = {5678, 2221, 2611, 2320, 6724} \[ \int \frac {(e+f x)^2 \cosh (c+d x)}{a+i a \sinh (c+d x)} \, dx=\frac {4 i f^2 \operatorname {PolyLog}\left (3,-i e^{c+d x}\right )}{a d^3}-\frac {4 i f (e+f x) \operatorname {PolyLog}\left (2,-i e^{c+d x}\right )}{a d^2}-\frac {2 i (e+f x)^2 \log \left (1+i e^{c+d x}\right )}{a d}+\frac {i (e+f x)^3}{3 a f} \]
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Rule 2221
Rule 2320
Rule 2611
Rule 5678
Rule 6724
Rubi steps \begin{align*} \text {integral}& = \frac {i (e+f x)^3}{3 a f}+2 \int \frac {e^{c+d x} (e+f x)^2}{a+i a e^{c+d x}} \, dx \\ & = \frac {i (e+f x)^3}{3 a f}-\frac {2 i (e+f x)^2 \log \left (1+i e^{c+d x}\right )}{a d}+\frac {(4 i f) \int (e+f x) \log \left (1+i e^{c+d x}\right ) \, dx}{a d} \\ & = \frac {i (e+f x)^3}{3 a f}-\frac {2 i (e+f x)^2 \log \left (1+i e^{c+d x}\right )}{a d}-\frac {4 i f (e+f x) \operatorname {PolyLog}\left (2,-i e^{c+d x}\right )}{a d^2}+\frac {\left (4 i f^2\right ) \int \operatorname {PolyLog}\left (2,-i e^{c+d x}\right ) \, dx}{a d^2} \\ & = \frac {i (e+f x)^3}{3 a f}-\frac {2 i (e+f x)^2 \log \left (1+i e^{c+d x}\right )}{a d}-\frac {4 i f (e+f x) \operatorname {PolyLog}\left (2,-i e^{c+d x}\right )}{a d^2}+\frac {\left (4 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 {i (e+f x)^3}{3 a f}-\frac {2 i (e+f x)^2 \log \left (1+i e^{c+d x}\right )}{a d}-\frac {4 i f (e+f x) \operatorname {PolyLog}\left (2,-i e^{c+d x}\right )}{a d^2}+\frac {4 i f^2 \operatorname {PolyLog}\left (3,-i e^{c+d x}\right )}{a d^3} \\ \end{align*}
Time = 0.03 (sec) , antiderivative size = 94, normalized size of antiderivative = 0.89 \[ \int \frac {(e+f x)^2 \cosh (c+d x)}{a+i a \sinh (c+d x)} \, dx=\frac {i \left (d^2 (e+f x)^2 \left (d (e+f x)-6 f \log \left (1+i e^{c+d x}\right )\right )-12 d f^2 (e+f x) \operatorname {PolyLog}\left (2,-i e^{c+d x}\right )+12 f^3 \operatorname {PolyLog}\left (3,-i e^{c+d x}\right )\right )}{3 a d^3 f} \]
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 404 vs. \(2 (94 ) = 188\).
Time = 2.90 (sec) , antiderivative size = 405, normalized size of antiderivative = 3.82
method | result | size |
risch | \(-\frac {4 i f^{2} c^{3}}{3 d^{3} a}+\frac {2 i f^{2} c^{2} \ln \left ({\mathrm e}^{d x +c}\right )}{d^{3} a}-\frac {4 i e f c \ln \left ({\mathrm e}^{d x +c}\right )}{d^{2} a}-\frac {2 i f^{2} c^{2} \ln \left ({\mathrm e}^{d x +c}-i\right )}{d^{3} a}+\frac {2 i e f \,c^{2}}{d^{2} a}+\frac {i f e \,x^{2}}{a}-\frac {i e^{3}}{3 a f}-\frac {4 i e f \ln \left (1+i {\mathrm e}^{d x +c}\right ) c}{d^{2} a}+\frac {2 i f^{2} \ln \left (1+i {\mathrm e}^{d x +c}\right ) c^{2}}{d^{3} a}+\frac {2 i \ln \left ({\mathrm e}^{d x +c}\right ) e^{2}}{d a}+\frac {4 i e f c x}{d a}-\frac {2 i f^{2} x \,c^{2}}{d^{2} a}+\frac {4 i e f c \ln \left ({\mathrm e}^{d x +c}-i\right )}{d^{2} a}-\frac {4 i e f \operatorname {polylog}\left (2, -i {\mathrm e}^{d x +c}\right )}{d^{2} a}-\frac {i e^{2} x}{a}-\frac {4 i f^{2} \operatorname {polylog}\left (2, -i {\mathrm e}^{d x +c}\right ) x}{d^{2} a}+\frac {4 i f^{2} \operatorname {polylog}\left (3, -i {\mathrm e}^{d x +c}\right )}{a \,d^{3}}-\frac {2 i \ln \left ({\mathrm e}^{d x +c}-i\right ) e^{2}}{d a}+\frac {i f^{2} x^{3}}{3 a}-\frac {2 i f^{2} \ln \left (1+i {\mathrm e}^{d x +c}\right ) x^{2}}{d a}-\frac {4 i e f \ln \left (1+i {\mathrm e}^{d x +c}\right ) x}{d a}\) | \(405\) |
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 184 vs. \(2 (86) = 172\).
Time = 0.26 (sec) , antiderivative size = 184, normalized size of antiderivative = 1.74 \[ \int \frac {(e+f x)^2 \cosh (c+d x)}{a+i a \sinh (c+d x)} \, dx=\frac {i \, d^{3} f^{2} x^{3} + 3 i \, d^{3} e f x^{2} + 3 i \, d^{3} e^{2} x + 6 i \, c d^{2} e^{2} - 6 i \, c^{2} d e f + 2 i \, c^{3} f^{2} + 12 i \, f^{2} {\rm polylog}\left (3, -i \, e^{\left (d x + c\right )}\right ) - 12 \, {\left (i \, d f^{2} x + i \, d e f\right )} {\rm Li}_2\left (-i \, e^{\left (d x + c\right )}\right ) - 6 \, {\left (i \, d^{2} e^{2} - 2 i \, c d e f + i \, c^{2} f^{2}\right )} \log \left (e^{\left (d x + c\right )} - i\right ) - 6 \, {\left (i \, d^{2} f^{2} x^{2} + 2 i \, d^{2} e f x + 2 i \, c d e f - i \, c^{2} f^{2}\right )} \log \left (i \, e^{\left (d x + c\right )} + 1\right )}{3 \, a d^{3}} \]
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\[ \int \frac {(e+f x)^2 \cosh (c+d x)}{a+i a \sinh (c+d x)} \, dx=- \frac {i \left (\int \frac {e^{2} \cosh {\left (c + d x \right )}}{\sinh {\left (c + d x \right )} - i}\, dx + \int \frac {f^{2} x^{2} \cosh {\left (c + d x \right )}}{\sinh {\left (c + d x \right )} - i}\, dx + \int \frac {2 e f x \cosh {\left (c + d x \right )}}{\sinh {\left (c + d x \right )} - i}\, dx\right )}{a} \]
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Time = 0.29 (sec) , antiderivative size = 164, normalized size of antiderivative = 1.55 \[ \int \frac {(e+f x)^2 \cosh (c+d x)}{a+i a \sinh (c+d x)} \, dx=-\frac {i \, e^{2} \log \left (i \, a \sinh \left (d x + c\right ) + a\right )}{a d} - \frac {i \, f^{2} x^{3} + 3 i \, e f x^{2}}{3 \, a} - \frac {4 i \, {\left (d x \log \left (i \, e^{\left (d x + c\right )} + 1\right ) + {\rm Li}_2\left (-i \, e^{\left (d x + c\right )}\right )\right )} e f}{a d^{2}} - \frac {2 i \, {\left (d^{2} x^{2} \log \left (i \, e^{\left (d x + c\right )} + 1\right ) + 2 \, d x {\rm Li}_2\left (-i \, e^{\left (d x + c\right )}\right ) - 2 \, {\rm Li}_{3}(-i \, e^{\left (d x + c\right )})\right )} f^{2}}{a d^{3}} - \frac {2 \, {\left (-i \, d^{3} f^{2} x^{3} - 3 i \, d^{3} e f x^{2}\right )}}{3 \, a d^{3}} \]
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\[ \int \frac {(e+f x)^2 \cosh (c+d x)}{a+i a \sinh (c+d x)} \, dx=\int { \frac {{\left (f x + e\right )}^{2} \cosh \left (d x + c\right )}{i \, a \sinh \left (d x + c\right ) + a} \,d x } \]
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Timed out. \[ \int \frac {(e+f x)^2 \cosh (c+d x)}{a+i a \sinh (c+d x)} \, dx=\int \frac {\mathrm {cosh}\left (c+d\,x\right )\,{\left (e+f\,x\right )}^2}{a+a\,\mathrm {sinh}\left (c+d\,x\right )\,1{}\mathrm {i}} \,d x \]
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