Integrand size = 20, antiderivative size = 63 \[ \int e^{a+b x} \cos (c+d x) \sin (c+d x) \, dx=-\frac {d e^{a+b x} \cos (2 c+2 d x)}{b^2+4 d^2}+\frac {b e^{a+b x} \sin (2 c+2 d x)}{2 \left (b^2+4 d^2\right )} \]
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Time = 0.08 (sec) , antiderivative size = 63, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.150, Rules used = {4557, 12, 4517} \[ \int e^{a+b x} \cos (c+d x) \sin (c+d x) \, dx=\frac {b e^{a+b x} \sin (2 c+2 d x)}{2 \left (b^2+4 d^2\right )}-\frac {d e^{a+b x} \cos (2 c+2 d x)}{b^2+4 d^2} \]
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Rule 12
Rule 4517
Rule 4557
Rubi steps \begin{align*} \text {integral}& = \int \frac {1}{2} e^{a+b x} \sin (2 c+2 d x) \, dx \\ & = \frac {1}{2} \int e^{a+b x} \sin (2 c+2 d x) \, dx \\ & = -\frac {d e^{a+b x} \cos (2 c+2 d x)}{b^2+4 d^2}+\frac {b e^{a+b x} \sin (2 c+2 d x)}{2 \left (b^2+4 d^2\right )} \\ \end{align*}
Time = 0.12 (sec) , antiderivative size = 44, normalized size of antiderivative = 0.70 \[ \int e^{a+b x} \cos (c+d x) \sin (c+d x) \, dx=\frac {e^{a+b x} (-2 d \cos (2 (c+d x))+b \sin (2 (c+d x)))}{2 \left (b^2+4 d^2\right )} \]
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Time = 0.53 (sec) , antiderivative size = 45, normalized size of antiderivative = 0.71
method | result | size |
parallelrisch | \(\frac {{\mathrm e}^{x b +a} \left (b \sin \left (2 d x +2 c \right )-2 d \cos \left (2 d x +2 c \right )\right )}{2 b^{2}+8 d^{2}}\) | \(45\) |
risch | \(-\frac {i {\mathrm e}^{x b +a} \left (4 i d \cos \left (2 d x +2 c \right )-2 i b \sin \left (2 d x +2 c \right )\right )}{4 \left (2 i d +b \right ) \left (2 i d -b \right )}\) | \(55\) |
default | \(-\frac {d \,{\mathrm e}^{x b +a} \cos \left (2 d x +2 c \right )}{b^{2}+4 d^{2}}+\frac {b \,{\mathrm e}^{x b +a} \sin \left (2 d x +2 c \right )}{2 b^{2}+8 d^{2}}\) | \(60\) |
norman | \(\frac {-\frac {d \,{\mathrm e}^{x b +a}}{b^{2}+4 d^{2}}+\frac {2 b \,{\mathrm e}^{x b +a} \tan \left (\frac {d x}{2}+\frac {c}{2}\right )}{b^{2}+4 d^{2}}-\frac {2 b \,{\mathrm e}^{x b +a} \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{3}}{b^{2}+4 d^{2}}+\frac {6 d \,{\mathrm e}^{x b +a} \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{2}}{b^{2}+4 d^{2}}-\frac {d \,{\mathrm e}^{x b +a} \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{4}}{b^{2}+4 d^{2}}}{\left (1+\tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{2}\right )^{2}}\) | \(160\) |
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Time = 0.25 (sec) , antiderivative size = 56, normalized size of antiderivative = 0.89 \[ \int e^{a+b x} \cos (c+d x) \sin (c+d x) \, dx=\frac {b \cos \left (d x + c\right ) e^{\left (b x + a\right )} \sin \left (d x + c\right ) - {\left (2 \, d \cos \left (d x + c\right )^{2} - d\right )} e^{\left (b x + a\right )}}{b^{2} + 4 \, d^{2}} \]
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Result contains complex when optimal does not.
Time = 0.77 (sec) , antiderivative size = 325, normalized size of antiderivative = 5.16 \[ \int e^{a+b x} \cos (c+d x) \sin (c+d x) \, dx=\begin {cases} x e^{a} \sin {\left (c \right )} \cos {\left (c \right )} & \text {for}\: b = 0 \wedge d = 0 \\\frac {i x e^{a} e^{- 2 i d x} \sin ^{2}{\left (c + d x \right )}}{4} + \frac {x e^{a} e^{- 2 i d x} \sin {\left (c + d x \right )} \cos {\left (c + d x \right )}}{2} - \frac {i x e^{a} e^{- 2 i d x} \cos ^{2}{\left (c + d x \right )}}{4} + \frac {i e^{a} e^{- 2 i d x} \sin {\left (c + d x \right )} \cos {\left (c + d x \right )}}{4 d} & \text {for}\: b = - 2 i d \\- \frac {i x e^{a} e^{2 i d x} \sin ^{2}{\left (c + d x \right )}}{4} + \frac {x e^{a} e^{2 i d x} \sin {\left (c + d x \right )} \cos {\left (c + d x \right )}}{2} + \frac {i x e^{a} e^{2 i d x} \cos ^{2}{\left (c + d x \right )}}{4} - \frac {i e^{a} e^{2 i d x} \sin {\left (c + d x \right )} \cos {\left (c + d x \right )}}{4 d} & \text {for}\: b = 2 i d \\\frac {b e^{a} e^{b x} \sin {\left (c + d x \right )} \cos {\left (c + d x \right )}}{b^{2} + 4 d^{2}} + \frac {d e^{a} e^{b x} \sin ^{2}{\left (c + d x \right )}}{b^{2} + 4 d^{2}} - \frac {d e^{a} e^{b x} \cos ^{2}{\left (c + d x \right )}}{b^{2} + 4 d^{2}} & \text {otherwise} \end {cases} \]
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Time = 0.22 (sec) , antiderivative size = 44, normalized size of antiderivative = 0.70 \[ \int e^{a+b x} \cos (c+d x) \sin (c+d x) \, dx=-\frac {{\left (2 \, d \cos \left (2 \, d x + 2 \, c\right ) - b \sin \left (2 \, d x + 2 \, c\right )\right )} e^{\left (b x + a\right )}}{2 \, {\left (b^{2} + 4 \, d^{2}\right )}} \]
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Time = 0.26 (sec) , antiderivative size = 55, normalized size of antiderivative = 0.87 \[ \int e^{a+b x} \cos (c+d x) \sin (c+d x) \, dx=-\frac {1}{2} \, {\left (\frac {2 \, d \cos \left (2 \, d x + 2 \, c\right )}{b^{2} + 4 \, d^{2}} - \frac {b \sin \left (2 \, d x + 2 \, c\right )}{b^{2} + 4 \, d^{2}}\right )} e^{\left (b x + a\right )} \]
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Time = 27.15 (sec) , antiderivative size = 46, normalized size of antiderivative = 0.73 \[ \int e^{a+b x} \cos (c+d x) \sin (c+d x) \, dx=-\frac {{\mathrm {e}}^{a+b\,x}\,\left (2\,d\,\cos \left (2\,c+2\,d\,x\right )-b\,\sin \left (2\,c+2\,d\,x\right )\right )}{2\,\left (b^2+4\,d^2\right )} \]
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