Integrand size = 21, antiderivative size = 35 \[ \int \frac {\cos \left (\frac {x}{2}\right )+\sin \left (\frac {x}{2}\right )}{\sqrt [3]{e^x}} \, dx=-\frac {30 \cos \left (\frac {x}{2}\right )}{13 \sqrt [3]{e^x}}+\frac {6 \sin \left (\frac {x}{2}\right )}{13 \sqrt [3]{e^x}} \]
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Time = 0.10 (sec) , antiderivative size = 35, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.190, Rules used = {2319, 6874, 4518, 4517} \[ \int \frac {\cos \left (\frac {x}{2}\right )+\sin \left (\frac {x}{2}\right )}{\sqrt [3]{e^x}} \, dx=\frac {6 \sin \left (\frac {x}{2}\right )}{13 \sqrt [3]{e^x}}-\frac {30 \cos \left (\frac {x}{2}\right )}{13 \sqrt [3]{e^x}} \]
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Rule 2319
Rule 4517
Rule 4518
Rule 6874
Rubi steps \begin{align*} \text {integral}& = \frac {e^{x/3} \int e^{-x/3} \left (\cos \left (\frac {x}{2}\right )+\sin \left (\frac {x}{2}\right )\right ) \, dx}{\sqrt [3]{e^x}} \\ & = \frac {\left (6 e^{x/3}\right ) \text {Subst}\left (\int e^{-2 x} (\cos (3 x)+\sin (3 x)) \, dx,x,\frac {x}{6}\right )}{\sqrt [3]{e^x}} \\ & = \frac {\left (6 e^{x/3}\right ) \text {Subst}\left (\int \left (e^{-2 x} \cos (3 x)+e^{-2 x} \sin (3 x)\right ) \, dx,x,\frac {x}{6}\right )}{\sqrt [3]{e^x}} \\ & = \frac {\left (6 e^{x/3}\right ) \text {Subst}\left (\int e^{-2 x} \cos (3 x) \, dx,x,\frac {x}{6}\right )}{\sqrt [3]{e^x}}+\frac {\left (6 e^{x/3}\right ) \text {Subst}\left (\int e^{-2 x} \sin (3 x) \, dx,x,\frac {x}{6}\right )}{\sqrt [3]{e^x}} \\ & = -\frac {30 \cos \left (\frac {x}{2}\right )}{13 \sqrt [3]{e^x}}+\frac {6 \sin \left (\frac {x}{2}\right )}{13 \sqrt [3]{e^x}} \\ \end{align*}
Time = 0.07 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.74 \[ \int \frac {\cos \left (\frac {x}{2}\right )+\sin \left (\frac {x}{2}\right )}{\sqrt [3]{e^x}} \, dx=\frac {6 \left (-5 \cos \left (\frac {x}{2}\right )+\sin \left (\frac {x}{2}\right )\right )}{13 \sqrt [3]{e^x}} \]
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Time = 0.26 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.51
method | result | size |
parallelrisch | \(\frac {-\frac {30 \cos \left (\frac {x}{2}\right )}{13}+\frac {6 \sin \left (\frac {x}{2}\right )}{13}}{\left ({\mathrm e}^{x}\right )^{\frac {1}{3}}}\) | \(18\) |
default | \(-\frac {30 \,{\mathrm e}^{-\frac {x}{3}} \cos \left (\frac {x}{2}\right )}{13}+\frac {6 \,{\mathrm e}^{-\frac {x}{3}} \sin \left (\frac {x}{2}\right )}{13}\) | \(22\) |
parts | \(-\frac {30 \,{\mathrm e}^{-\frac {x}{3}} \cos \left (\frac {x}{2}\right )}{13}+\frac {6 \,{\mathrm e}^{-\frac {x}{3}} \sin \left (\frac {x}{2}\right )}{13}\) | \(22\) |
risch | \(\frac {\left (-\frac {15}{169}-\frac {3 i}{169}\right ) \left (\left (25-5 i\right ) \cos \left (\frac {x}{2}\right )+\left (-5+i\right ) \sin \left (\frac {x}{2}\right )\right )}{\left ({\mathrm e}^{x}\right )^{\frac {1}{3}}}\) | \(26\) |
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Time = 0.25 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.60 \[ \int \frac {\cos \left (\frac {x}{2}\right )+\sin \left (\frac {x}{2}\right )}{\sqrt [3]{e^x}} \, dx=-\frac {30}{13} \, \cos \left (\frac {1}{2} \, x\right ) e^{\left (-\frac {1}{3} \, x\right )} + \frac {6}{13} \, e^{\left (-\frac {1}{3} \, x\right )} \sin \left (\frac {1}{2} \, x\right ) \]
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Time = 0.23 (sec) , antiderivative size = 29, normalized size of antiderivative = 0.83 \[ \int \frac {\cos \left (\frac {x}{2}\right )+\sin \left (\frac {x}{2}\right )}{\sqrt [3]{e^x}} \, dx=\frac {6 \sin {\left (\frac {x}{2} \right )}}{13 \sqrt [3]{e^{x}}} - \frac {30 \cos {\left (\frac {x}{2} \right )}}{13 \sqrt [3]{e^{x}}} \]
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Time = 0.20 (sec) , antiderivative size = 39, normalized size of antiderivative = 1.11 \[ \int \frac {\cos \left (\frac {x}{2}\right )+\sin \left (\frac {x}{2}\right )}{\sqrt [3]{e^x}} \, dx=-\frac {6}{13} \, {\left (3 \, \cos \left (\frac {1}{2} \, x\right ) + 2 \, \sin \left (\frac {1}{2} \, x\right )\right )} e^{\left (-\frac {1}{3} \, x\right )} - \frac {6}{13} \, {\left (2 \, \cos \left (\frac {1}{2} \, x\right ) - 3 \, \sin \left (\frac {1}{2} \, x\right )\right )} e^{\left (-\frac {1}{3} \, x\right )} \]
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Time = 0.27 (sec) , antiderivative size = 39, normalized size of antiderivative = 1.11 \[ \int \frac {\cos \left (\frac {x}{2}\right )+\sin \left (\frac {x}{2}\right )}{\sqrt [3]{e^x}} \, dx=-\frac {6}{13} \, {\left (3 \, \cos \left (\frac {1}{2} \, x\right ) + 2 \, \sin \left (\frac {1}{2} \, x\right )\right )} e^{\left (-\frac {1}{3} \, x\right )} - \frac {6}{13} \, {\left (2 \, \cos \left (\frac {1}{2} \, x\right ) - 3 \, \sin \left (\frac {1}{2} \, x\right )\right )} e^{\left (-\frac {1}{3} \, x\right )} \]
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Time = 0.11 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.54 \[ \int \frac {\cos \left (\frac {x}{2}\right )+\sin \left (\frac {x}{2}\right )}{\sqrt [3]{e^x}} \, dx=-\frac {6\,{\mathrm {e}}^{-\frac {x}{3}}\,\left (5\,\cos \left (\frac {x}{2}\right )-\sin \left (\frac {x}{2}\right )\right )}{13} \]
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