Integrand size = 19, antiderivative size = 27 \[ \int e^{3 x} (-5 \cos (4 x)+2 \sin (4 x)) \, dx=-\frac {23}{25} e^{3 x} \cos (4 x)-\frac {14}{25} e^{3 x} \sin (4 x) \]
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Time = 0.10 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.158, Rules used = {6874, 4518, 4517} \[ \int e^{3 x} (-5 \cos (4 x)+2 \sin (4 x)) \, dx=-\frac {14}{25} e^{3 x} \sin (4 x)-\frac {23}{25} e^{3 x} \cos (4 x) \]
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Rule 4517
Rule 4518
Rule 6874
Rubi steps \begin{align*} \text {integral}& = \int \left (-5 e^{3 x} \cos (4 x)+2 e^{3 x} \sin (4 x)\right ) \, dx \\ & = 2 \int e^{3 x} \sin (4 x) \, dx-5 \int e^{3 x} \cos (4 x) \, dx \\ & = -\frac {23}{25} e^{3 x} \cos (4 x)-\frac {14}{25} e^{3 x} \sin (4 x) \\ \end{align*}
Time = 0.17 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.81 \[ \int e^{3 x} (-5 \cos (4 x)+2 \sin (4 x)) \, dx=-\frac {1}{25} e^{3 x} (23 \cos (4 x)+14 \sin (4 x)) \]
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Time = 0.54 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.74
method | result | size |
parallelrisch | \(-\frac {{\mathrm e}^{3 x} \left (23 \cos \left (4 x \right )+14 \sin \left (4 x \right )\right )}{25}\) | \(20\) |
parts | \(-\frac {23 \,{\mathrm e}^{3 x} \cos \left (4 x \right )}{25}-\frac {14 \,{\mathrm e}^{3 x} \sin \left (4 x \right )}{25}\) | \(22\) |
risch | \(-\frac {23 \,{\mathrm e}^{\left (3+4 i\right ) x}}{50}+\frac {7 i {\mathrm e}^{\left (3+4 i\right ) x}}{25}-\frac {23 \,{\mathrm e}^{\left (3-4 i\right ) x}}{50}-\frac {7 i {\mathrm e}^{\left (3-4 i\right ) x}}{25}\) | \(36\) |
norman | \(\frac {-\frac {28 \,{\mathrm e}^{3 x} \tan \left (2 x \right )}{25}+\frac {23 \,{\mathrm e}^{3 x} \tan \left (2 x \right )^{2}}{25}-\frac {23 \,{\mathrm e}^{3 x}}{25}}{1+\tan \left (2 x \right )^{2}}\) | \(41\) |
default | \(-\frac {8 \left (3 \cos \left (x \right )+4 \sin \left (x \right )\right ) {\mathrm e}^{3 x} \cos \left (x \right )^{3}}{5}+\frac {8 \left (3 \cos \left (x \right )+2 \sin \left (x \right )\right ) {\mathrm e}^{3 x} \cos \left (x \right )}{5}-\frac {3 \,{\mathrm e}^{3 x}}{5}-\frac {8 \,{\mathrm e}^{3 x} \cos \left (4 x \right )}{25}+\frac {6 \,{\mathrm e}^{3 x} \sin \left (4 x \right )}{25}-\frac {8 \,{\mathrm e}^{3 x} \cos \left (2 x \right )}{13}+\frac {12 \,{\mathrm e}^{3 x} \sin \left (2 x \right )}{13}-\frac {4 \,{\mathrm e}^{3 x} \left (3 \sin \left (2 x \right )-2 \cos \left (2 x \right )\right )}{13}\) | \(103\) |
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Time = 0.24 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.78 \[ \int e^{3 x} (-5 \cos (4 x)+2 \sin (4 x)) \, dx=-\frac {23}{25} \, \cos \left (4 \, x\right ) e^{\left (3 \, x\right )} - \frac {14}{25} \, e^{\left (3 \, x\right )} \sin \left (4 \, x\right ) \]
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Time = 0.10 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.00 \[ \int e^{3 x} (-5 \cos (4 x)+2 \sin (4 x)) \, dx=- \frac {14 e^{3 x} \sin {\left (4 x \right )}}{25} - \frac {23 e^{3 x} \cos {\left (4 x \right )}}{25} \]
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Time = 0.19 (sec) , antiderivative size = 39, normalized size of antiderivative = 1.44 \[ \int e^{3 x} (-5 \cos (4 x)+2 \sin (4 x)) \, dx=-\frac {2}{25} \, {\left (4 \, \cos \left (4 \, x\right ) - 3 \, \sin \left (4 \, x\right )\right )} e^{\left (3 \, x\right )} - \frac {1}{5} \, {\left (3 \, \cos \left (4 \, x\right ) + 4 \, \sin \left (4 \, x\right )\right )} e^{\left (3 \, x\right )} \]
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Time = 0.27 (sec) , antiderivative size = 39, normalized size of antiderivative = 1.44 \[ \int e^{3 x} (-5 \cos (4 x)+2 \sin (4 x)) \, dx=-\frac {2}{25} \, {\left (4 \, \cos \left (4 \, x\right ) - 3 \, \sin \left (4 \, x\right )\right )} e^{\left (3 \, x\right )} - \frac {1}{5} \, {\left (3 \, \cos \left (4 \, x\right ) + 4 \, \sin \left (4 \, x\right )\right )} e^{\left (3 \, x\right )} \]
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Time = 0.07 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.70 \[ \int e^{3 x} (-5 \cos (4 x)+2 \sin (4 x)) \, dx=-\frac {{\mathrm {e}}^{3\,x}\,\left (23\,\cos \left (4\,x\right )+14\,\sin \left (4\,x\right )\right )}{25} \]
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