Integrand size = 31, antiderivative size = 171 \[ \int \frac {(e+f x)^2 \cosh ^3(c+d x)}{a+i a \sinh (c+d x)} \, dx=-\frac {i e f x}{2 a d}-\frac {i f^2 x^2}{4 a d}-\frac {2 f (e+f x) \cosh (c+d x)}{a d^2}+\frac {2 f^2 \sinh (c+d x)}{a d^3}+\frac {(e+f x)^2 \sinh (c+d x)}{a d}+\frac {i f (e+f x) \cosh (c+d x) \sinh (c+d x)}{2 a d^2}-\frac {i f^2 \sinh ^2(c+d x)}{4 a d^3}-\frac {i (e+f x)^2 \sinh ^2(c+d x)}{2 a d} \]
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Time = 0.13 (sec) , antiderivative size = 171, normalized size of antiderivative = 1.00, number of steps used = 7, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.161, Rules used = {5682, 3377, 2717, 5554, 3391} \[ \int \frac {(e+f x)^2 \cosh ^3(c+d x)}{a+i a \sinh (c+d x)} \, dx=-\frac {i f^2 \sinh ^2(c+d x)}{4 a d^3}+\frac {2 f^2 \sinh (c+d x)}{a d^3}-\frac {2 f (e+f x) \cosh (c+d x)}{a d^2}+\frac {i f (e+f x) \sinh (c+d x) \cosh (c+d x)}{2 a d^2}-\frac {i (e+f x)^2 \sinh ^2(c+d x)}{2 a d}+\frac {(e+f x)^2 \sinh (c+d x)}{a d}-\frac {i e f x}{2 a d}-\frac {i f^2 x^2}{4 a d} \]
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Rule 2717
Rule 3377
Rule 3391
Rule 5554
Rule 5682
Rubi steps \begin{align*} \text {integral}& = -\frac {i \int (e+f x)^2 \cosh (c+d x) \sinh (c+d x) \, dx}{a}+\frac {\int (e+f x)^2 \cosh (c+d x) \, dx}{a} \\ & = \frac {(e+f x)^2 \sinh (c+d x)}{a d}-\frac {i (e+f x)^2 \sinh ^2(c+d x)}{2 a d}+\frac {(i f) \int (e+f x) \sinh ^2(c+d x) \, dx}{a d}-\frac {(2 f) \int (e+f x) \sinh (c+d x) \, dx}{a d} \\ & = -\frac {2 f (e+f x) \cosh (c+d x)}{a d^2}+\frac {(e+f x)^2 \sinh (c+d x)}{a d}+\frac {i f (e+f x) \cosh (c+d x) \sinh (c+d x)}{2 a d^2}-\frac {i f^2 \sinh ^2(c+d x)}{4 a d^3}-\frac {i (e+f x)^2 \sinh ^2(c+d x)}{2 a d}-\frac {(i f) \int (e+f x) \, dx}{2 a d}+\frac {\left (2 f^2\right ) \int \cosh (c+d x) \, dx}{a d^2} \\ & = -\frac {i e f x}{2 a d}-\frac {i f^2 x^2}{4 a d}-\frac {2 f (e+f x) \cosh (c+d x)}{a d^2}+\frac {2 f^2 \sinh (c+d x)}{a d^3}+\frac {(e+f x)^2 \sinh (c+d x)}{a d}+\frac {i f (e+f x) \cosh (c+d x) \sinh (c+d x)}{2 a d^2}-\frac {i f^2 \sinh ^2(c+d x)}{4 a d^3}-\frac {i (e+f x)^2 \sinh ^2(c+d x)}{2 a d} \\ \end{align*}
Time = 1.31 (sec) , antiderivative size = 99, normalized size of antiderivative = 0.58 \[ \int \frac {(e+f x)^2 \cosh ^3(c+d x)}{a+i a \sinh (c+d x)} \, dx=\frac {-32 d f (e+f x) \cosh (c+d x)-2 i \left (f^2+2 d^2 (e+f x)^2\right ) \cosh (2 (c+d x))+8 \left (2 \left (2 f^2+d^2 (e+f x)^2\right )+i d f (e+f x) \cosh (c+d x)\right ) \sinh (c+d x)}{16 a d^3} \]
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Time = 16.57 (sec) , antiderivative size = 241, normalized size of antiderivative = 1.41
method | result | size |
risch | \(-\frac {i \left (2 d^{2} x^{2} f^{2}+4 d^{2} e f x +2 d^{2} e^{2}-2 x d \,f^{2}-2 d e f +f^{2}\right ) {\mathrm e}^{2 d x +2 c}}{16 d^{3} a}+\frac {\left (d^{2} x^{2} f^{2}+2 d^{2} e f x +d^{2} e^{2}-2 x d \,f^{2}-2 d e f +2 f^{2}\right ) {\mathrm e}^{d x +c}}{2 d^{3} a}-\frac {\left (d^{2} x^{2} f^{2}+2 d^{2} e f x +d^{2} e^{2}+2 x d \,f^{2}+2 d e f +2 f^{2}\right ) {\mathrm e}^{-d x -c}}{2 d^{3} a}-\frac {i \left (2 d^{2} x^{2} f^{2}+4 d^{2} e f x +2 d^{2} e^{2}+2 x d \,f^{2}+2 d e f +f^{2}\right ) {\mathrm e}^{-2 d x -2 c}}{16 a \,d^{3}}\) | \(241\) |
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Time = 0.23 (sec) , antiderivative size = 227, normalized size of antiderivative = 1.33 \[ \int \frac {(e+f x)^2 \cosh ^3(c+d x)}{a+i a \sinh (c+d x)} \, dx=\frac {{\left (-2 i \, d^{2} f^{2} x^{2} - 2 i \, d^{2} e^{2} - 2 i \, d e f - i \, f^{2} - 2 \, {\left (2 i \, d^{2} e f + i \, d f^{2}\right )} x + {\left (-2 i \, d^{2} f^{2} x^{2} - 2 i \, d^{2} e^{2} + 2 i \, d e f - i \, f^{2} - 2 \, {\left (2 i \, d^{2} e f - i \, d f^{2}\right )} x\right )} e^{\left (4 \, d x + 4 \, c\right )} + 8 \, {\left (d^{2} f^{2} x^{2} + d^{2} e^{2} - 2 \, d e f + 2 \, f^{2} + 2 \, {\left (d^{2} e f - d f^{2}\right )} x\right )} e^{\left (3 \, d x + 3 \, c\right )} - 8 \, {\left (d^{2} f^{2} x^{2} + d^{2} e^{2} + 2 \, d e f + 2 \, f^{2} + 2 \, {\left (d^{2} e f + d f^{2}\right )} x\right )} e^{\left (d x + c\right )}\right )} e^{\left (-2 \, d x - 2 \, c\right )}}{16 \, a d^{3}} \]
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 631 vs. \(2 (150) = 300\).
Time = 0.44 (sec) , antiderivative size = 631, normalized size of antiderivative = 3.69 \[ \int \frac {(e+f x)^2 \cosh ^3(c+d x)}{a+i a \sinh (c+d x)} \, dx=\begin {cases} \frac {\left (\left (- 512 a^{3} d^{11} e^{2} e^{2 c} - 1024 a^{3} d^{11} e f x e^{2 c} - 512 a^{3} d^{11} f^{2} x^{2} e^{2 c} - 1024 a^{3} d^{10} e f e^{2 c} - 1024 a^{3} d^{10} f^{2} x e^{2 c} - 1024 a^{3} d^{9} f^{2} e^{2 c}\right ) e^{- d x} + \left (512 a^{3} d^{11} e^{2} e^{4 c} + 1024 a^{3} d^{11} e f x e^{4 c} + 512 a^{3} d^{11} f^{2} x^{2} e^{4 c} - 1024 a^{3} d^{10} e f e^{4 c} - 1024 a^{3} d^{10} f^{2} x e^{4 c} + 1024 a^{3} d^{9} f^{2} e^{4 c}\right ) e^{d x} + \left (- 128 i a^{3} d^{11} e^{2} e^{c} - 256 i a^{3} d^{11} e f x e^{c} - 128 i a^{3} d^{11} f^{2} x^{2} e^{c} - 128 i a^{3} d^{10} e f e^{c} - 128 i a^{3} d^{10} f^{2} x e^{c} - 64 i a^{3} d^{9} f^{2} e^{c}\right ) e^{- 2 d x} + \left (- 128 i a^{3} d^{11} e^{2} e^{5 c} - 256 i a^{3} d^{11} e f x e^{5 c} - 128 i a^{3} d^{11} f^{2} x^{2} e^{5 c} + 128 i a^{3} d^{10} e f e^{5 c} + 128 i a^{3} d^{10} f^{2} x e^{5 c} - 64 i a^{3} d^{9} f^{2} e^{5 c}\right ) e^{2 d x}\right ) e^{- 3 c}}{1024 a^{4} d^{12}} & \text {for}\: a^{4} d^{12} e^{3 c} \neq 0 \\\frac {x^{3} \left (- i f^{2} e^{4 c} + 2 f^{2} e^{3 c} + 2 f^{2} e^{c} + i f^{2}\right ) e^{- 2 c}}{12 a} + \frac {x^{2} \left (- i e f e^{4 c} + 2 e f e^{3 c} + 2 e f e^{c} + i e f\right ) e^{- 2 c}}{4 a} + \frac {x \left (- i e^{2} e^{4 c} + 2 e^{2} e^{3 c} + 2 e^{2} e^{c} + i e^{2}\right ) e^{- 2 c}}{4 a} & \text {otherwise} \end {cases} \]
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Exception generated. \[ \int \frac {(e+f x)^2 \cosh ^3(c+d x)}{a+i a \sinh (c+d x)} \, dx=\text {Exception raised: RuntimeError} \]
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 338 vs. \(2 (151) = 302\).
Time = 0.30 (sec) , antiderivative size = 338, normalized size of antiderivative = 1.98 \[ \int \frac {(e+f x)^2 \cosh ^3(c+d x)}{a+i a \sinh (c+d x)} \, dx=-\frac {{\left (2 i \, d^{2} f^{2} x^{2} e^{\left (4 \, d x + 4 \, c\right )} - 8 \, d^{2} f^{2} x^{2} e^{\left (3 \, d x + 3 \, c\right )} + 8 \, d^{2} f^{2} x^{2} e^{\left (d x + c\right )} + 2 i \, d^{2} f^{2} x^{2} + 4 i \, d^{2} e f x e^{\left (4 \, d x + 4 \, c\right )} - 16 \, d^{2} e f x e^{\left (3 \, d x + 3 \, c\right )} + 16 \, d^{2} e f x e^{\left (d x + c\right )} + 4 i \, d^{2} e f x + 2 i \, d^{2} e^{2} e^{\left (4 \, d x + 4 \, c\right )} - 2 i \, d f^{2} x e^{\left (4 \, d x + 4 \, c\right )} - 8 \, d^{2} e^{2} e^{\left (3 \, d x + 3 \, c\right )} + 16 \, d f^{2} x e^{\left (3 \, d x + 3 \, c\right )} + 8 \, d^{2} e^{2} e^{\left (d x + c\right )} + 16 \, d f^{2} x e^{\left (d x + c\right )} + 2 i \, d^{2} e^{2} + 2 i \, d f^{2} x - 2 i \, d e f e^{\left (4 \, d x + 4 \, c\right )} + 16 \, d e f e^{\left (3 \, d x + 3 \, c\right )} + 16 \, d e f e^{\left (d x + c\right )} + 2 i \, d e f + i \, f^{2} e^{\left (4 \, d x + 4 \, c\right )} - 16 \, f^{2} e^{\left (3 \, d x + 3 \, c\right )} + 16 \, f^{2} e^{\left (d x + c\right )} + i \, f^{2}\right )} e^{\left (-2 \, d x - 2 \, c\right )}}{16 \, a d^{3}} \]
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Time = 1.55 (sec) , antiderivative size = 271, normalized size of antiderivative = 1.58 \[ \int \frac {(e+f x)^2 \cosh ^3(c+d x)}{a+i a \sinh (c+d x)} \, dx={\mathrm {e}}^{c+d\,x}\,\left (\frac {d^2\,e^2-2\,d\,e\,f+2\,f^2}{2\,a\,d^3}+\frac {f^2\,x^2}{2\,a\,d}-\frac {f\,x\,\left (f-d\,e\right )}{a\,d^2}\right )-{\mathrm {e}}^{-2\,c-2\,d\,x}\,\left (\frac {\left (2\,d^2\,e^2+2\,d\,e\,f+f^2\right )\,1{}\mathrm {i}}{16\,a\,d^3}+\frac {f^2\,x^2\,1{}\mathrm {i}}{8\,a\,d}+\frac {f\,x\,\left (f+2\,d\,e\right )\,1{}\mathrm {i}}{8\,a\,d^2}\right )-{\mathrm {e}}^{2\,c+2\,d\,x}\,\left (\frac {\left (2\,d^2\,e^2-2\,d\,e\,f+f^2\right )\,1{}\mathrm {i}}{16\,a\,d^3}+\frac {f^2\,x^2\,1{}\mathrm {i}}{8\,a\,d}-\frac {f\,x\,\left (f-2\,d\,e\right )\,1{}\mathrm {i}}{8\,a\,d^2}\right )-{\mathrm {e}}^{-c-d\,x}\,\left (\frac {d^2\,e^2+2\,d\,e\,f+2\,f^2}{2\,a\,d^3}+\frac {f^2\,x^2}{2\,a\,d}+\frac {f\,x\,\left (f+d\,e\right )}{a\,d^2}\right ) \]
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