Integrand size = 35, antiderivative size = 15 \[ \int e^{-x} \left (e^x+e^{2 e^{-x} \left (3-15 e^x x\right )} \left (-6-30 e^x\right )\right ) \, dx=e^{6 \left (e^{-x}-5 x\right )}+x \]
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Time = 0.10 (sec) , antiderivative size = 15, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.086, Rules used = {6874, 2320, 2326} \[ \int e^{-x} \left (e^x+e^{2 e^{-x} \left (3-15 e^x x\right )} \left (-6-30 e^x\right )\right ) \, dx=x+e^{6 e^{-x}-30 x} \]
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Rule 2320
Rule 2326
Rule 6874
Rubi steps \begin{align*} \text {integral}& = \int \left (1-6 e^{6 e^{-x}-31 x} \left (1+5 e^x\right )\right ) \, dx \\ & = x-6 \int e^{6 e^{-x}-31 x} \left (1+5 e^x\right ) \, dx \\ & = x-6 \text {Subst}\left (\int \frac {e^{6/x} (1+5 x)}{x^{32}} \, dx,x,e^x\right ) \\ & = e^{6 e^{-x}-30 x}+x \\ \end{align*}
Time = 0.18 (sec) , antiderivative size = 15, normalized size of antiderivative = 1.00 \[ \int e^{-x} \left (e^x+e^{2 e^{-x} \left (3-15 e^x x\right )} \left (-6-30 e^x\right )\right ) \, dx=e^{6 \left (e^{-x}-5 x\right )}+x \]
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Time = 0.06 (sec) , antiderivative size = 15, normalized size of antiderivative = 1.00
method | result | size |
default | \(x +{\mathrm e}^{6 \,{\mathrm e}^{-x}} {\mathrm e}^{-30 x}\) | \(15\) |
parts | \(x +{\mathrm e}^{6 \,{\mathrm e}^{-x}} {\mathrm e}^{-30 x}\) | \(15\) |
risch | \({\mathrm e}^{-6 \left (5 \,{\mathrm e}^{x} x -1\right ) {\mathrm e}^{-x}}+x\) | \(17\) |
parallelrisch | \({\mathrm e}^{-6 \left (5 \,{\mathrm e}^{x} x -1\right ) {\mathrm e}^{-x}}+x\) | \(19\) |
norman | \(\left ({\mathrm e}^{x} x +{\mathrm e}^{x} {\mathrm e}^{2 \left (-15 \,{\mathrm e}^{x} x +3\right ) {\mathrm e}^{-x}}\right ) {\mathrm e}^{-x}\) | \(29\) |
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Time = 0.25 (sec) , antiderivative size = 16, normalized size of antiderivative = 1.07 \[ \int e^{-x} \left (e^x+e^{2 e^{-x} \left (3-15 e^x x\right )} \left (-6-30 e^x\right )\right ) \, dx=x + e^{\left (-6 \, {\left (5 \, x e^{x} - 1\right )} e^{\left (-x\right )}\right )} \]
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Time = 0.08 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.93 \[ \int e^{-x} \left (e^x+e^{2 e^{-x} \left (3-15 e^x x\right )} \left (-6-30 e^x\right )\right ) \, dx=x + e^{2 \left (- 15 x e^{x} + 3\right ) e^{- x}} \]
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Time = 0.27 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.87 \[ \int e^{-x} \left (e^x+e^{2 e^{-x} \left (3-15 e^x x\right )} \left (-6-30 e^x\right )\right ) \, dx=x + e^{\left (-30 \, x + 6 \, e^{\left (-x\right )}\right )} \]
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Time = 0.27 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.87 \[ \int e^{-x} \left (e^x+e^{2 e^{-x} \left (3-15 e^x x\right )} \left (-6-30 e^x\right )\right ) \, dx=x + e^{\left (-30 \, x + 6 \, e^{\left (-x\right )}\right )} \]
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Time = 10.37 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.87 \[ \int e^{-x} \left (e^x+e^{2 e^{-x} \left (3-15 e^x x\right )} \left (-6-30 e^x\right )\right ) \, dx=x+{\mathrm {e}}^{6\,{\mathrm {e}}^{-x}-30\,x} \]
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