Integrand size = 17, antiderivative size = 10 \[ \int e^{2+x-8 e^x x} (-8-8 x) \, dx=e^{2-8 e^x x} \]
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\[ \int e^{2+x-8 e^x x} (-8-8 x) \, dx=\int e^{2+x-8 e^x x} (-8-8 x) \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \left (-8 e^{2+x-8 e^x x}-8 e^{2+x-8 e^x x} x\right ) \, dx \\ & = -\left (8 \int e^{2+x-8 e^x x} \, dx\right )-8 \int e^{2+x-8 e^x x} x \, dx \\ \end{align*}
Time = 0.05 (sec) , antiderivative size = 10, normalized size of antiderivative = 1.00 \[ \int e^{2+x-8 e^x x} (-8-8 x) \, dx=e^{2-8 e^x x} \]
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Time = 0.81 (sec) , antiderivative size = 9, normalized size of antiderivative = 0.90
method | result | size |
risch | \({\mathrm e}^{-8 \,{\mathrm e}^{x} x +2}\) | \(9\) |
norman | \({\mathrm e}^{x} {\mathrm e}^{-8 \,{\mathrm e}^{x} x +2-x}\) | \(15\) |
parallelrisch | \({\mathrm e}^{x} {\mathrm e}^{-8 \,{\mathrm e}^{x} x +2-x}\) | \(15\) |
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Time = 0.26 (sec) , antiderivative size = 8, normalized size of antiderivative = 0.80 \[ \int e^{2+x-8 e^x x} (-8-8 x) \, dx=e^{\left (-8 \, x e^{x} + 2\right )} \]
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Time = 0.09 (sec) , antiderivative size = 14, normalized size of antiderivative = 1.40 \[ \int e^{2+x-8 e^x x} (-8-8 x) \, dx=e^{x} e^{- 8 x e^{x} - x + 2} \]
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Time = 0.23 (sec) , antiderivative size = 8, normalized size of antiderivative = 0.80 \[ \int e^{2+x-8 e^x x} (-8-8 x) \, dx=e^{\left (-8 \, x e^{x} + 2\right )} \]
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Time = 0.26 (sec) , antiderivative size = 8, normalized size of antiderivative = 0.80 \[ \int e^{2+x-8 e^x x} (-8-8 x) \, dx=e^{\left (-8 \, x e^{x} + 2\right )} \]
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Time = 9.11 (sec) , antiderivative size = 9, normalized size of antiderivative = 0.90 \[ \int e^{2+x-8 e^x x} (-8-8 x) \, dx={\mathrm {e}}^{-8\,x\,{\mathrm {e}}^x}\,{\mathrm {e}}^2 \]
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