Integrand size = 10, antiderivative size = 27 \[ \int e^{3 x} \cos (5 x) \, dx=\frac {3}{34} e^{3 x} \cos (5 x)+\frac {5}{34} e^{3 x} \sin (5 x) \]
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Time = 0.01 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.100, Rules used = {4518} \[ \int e^{3 x} \cos (5 x) \, dx=\frac {5}{34} e^{3 x} \sin (5 x)+\frac {3}{34} e^{3 x} \cos (5 x) \]
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Rule 4518
Rubi steps \begin{align*} \text {integral}& = \frac {3}{34} e^{3 x} \cos (5 x)+\frac {5}{34} e^{3 x} \sin (5 x) \\ \end{align*}
Time = 0.03 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.81 \[ \int e^{3 x} \cos (5 x) \, dx=\frac {1}{34} e^{3 x} (3 \cos (5 x)+5 \sin (5 x)) \]
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Time = 0.09 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.74
method | result | size |
parallelrisch | \(\frac {{\mathrm e}^{3 x} \left (3 \cos \left (5 x \right )+5 \sin \left (5 x \right )\right )}{34}\) | \(20\) |
default | \(\frac {3 \,{\mathrm e}^{3 x} \cos \left (5 x \right )}{34}+\frac {5 \,{\mathrm e}^{3 x} \sin \left (5 x \right )}{34}\) | \(22\) |
risch | \(\frac {3 \,{\mathrm e}^{\left (3+5 i\right ) x}}{68}-\frac {5 i {\mathrm e}^{\left (3+5 i\right ) x}}{68}+\frac {3 \,{\mathrm e}^{\left (3-5 i\right ) x}}{68}+\frac {5 i {\mathrm e}^{\left (3-5 i\right ) x}}{68}\) | \(36\) |
norman | \(\frac {\frac {5 \,{\mathrm e}^{3 x} \tan \left (\frac {5 x}{2}\right )}{17}-\frac {3 \,{\mathrm e}^{3 x} \left (\tan ^{2}\left (\frac {5 x}{2}\right )\right )}{34}+\frac {3 \,{\mathrm e}^{3 x}}{34}}{1+\tan ^{2}\left (\frac {5 x}{2}\right )}\) | \(41\) |
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none
Time = 0.30 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.78 \[ \int e^{3 x} \cos (5 x) \, dx=\frac {3}{34} \, \cos \left (5 \, x\right ) e^{\left (3 \, x\right )} + \frac {5}{34} \, e^{\left (3 \, x\right )} \sin \left (5 \, x\right ) \]
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Time = 0.09 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.96 \[ \int e^{3 x} \cos (5 x) \, dx=\frac {5 e^{3 x} \sin {\left (5 x \right )}}{34} + \frac {3 e^{3 x} \cos {\left (5 x \right )}}{34} \]
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none
Time = 0.20 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.70 \[ \int e^{3 x} \cos (5 x) \, dx=\frac {1}{34} \, {\left (3 \, \cos \left (5 \, x\right ) + 5 \, \sin \left (5 \, x\right )\right )} e^{\left (3 \, x\right )} \]
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none
Time = 0.33 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.70 \[ \int e^{3 x} \cos (5 x) \, dx=\frac {1}{34} \, {\left (3 \, \cos \left (5 \, x\right ) + 5 \, \sin \left (5 \, x\right )\right )} e^{\left (3 \, x\right )} \]
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Time = 0.03 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.70 \[ \int e^{3 x} \cos (5 x) \, dx=\frac {{\mathrm {e}}^{3\,x}\,\left (3\,\cos \left (5\,x\right )+5\,\sin \left (5\,x\right )\right )}{34} \]
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