Integrand size = 67, antiderivative size = 20 \[ \int e^{-x+e^{-x} \left (e^{2 x}+e^x (-3-x)+x-e^x \log (x)+e^x \log (4 x)\right )} \left (e^x (1-x)+x+e^{2 x} x-x^2\right ) \, dx=4 e^{-3+e^x-x+e^{-x} x} x \]
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\[ \int e^{-x+e^{-x} \left (e^{2 x}+e^x (-3-x)+x-e^x \log (x)+e^x \log (4 x)\right )} \left (e^x (1-x)+x+e^{2 x} x-x^2\right ) \, dx=\int \exp \left (-x+e^{-x} \left (e^{2 x}+e^x (-3-x)+x-e^x \log (x)+e^x \log (4 x)\right )\right ) \left (e^x (1-x)+x+e^{2 x} x-x^2\right ) \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int 4 e^{-3+e^x-2 x+e^{-x} x} \left (e^x+x-e^x x+e^{2 x} x-x^2\right ) \, dx \\ & = 4 \int e^{-3+e^x-2 x+e^{-x} x} \left (e^x+x-e^x x+e^{2 x} x-x^2\right ) \, dx \\ & = 4 \int \left (e^{-3+e^x-x+e^{-x} x}+e^{-3+e^x+e^{-x} x} x+e^{-3+e^x-2 x+e^{-x} x} x-e^{-3+e^x-x+e^{-x} x} x-e^{-3+e^x-2 x+e^{-x} x} x^2\right ) \, dx \\ & = 4 \int e^{-3+e^x-x+e^{-x} x} \, dx+4 \int e^{-3+e^x+e^{-x} x} x \, dx+4 \int e^{-3+e^x-2 x+e^{-x} x} x \, dx-4 \int e^{-3+e^x-x+e^{-x} x} x \, dx-4 \int e^{-3+e^x-2 x+e^{-x} x} x^2 \, dx \\ \end{align*}
Time = 0.56 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.00 \[ \int e^{-x+e^{-x} \left (e^{2 x}+e^x (-3-x)+x-e^x \log (x)+e^x \log (4 x)\right )} \left (e^x (1-x)+x+e^{2 x} x-x^2\right ) \, dx=4 e^{-3+e^x-x+e^{-x} x} x \]
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Time = 0.59 (sec) , antiderivative size = 30, normalized size of antiderivative = 1.50
method | result | size |
risch | \(x \,{\mathrm e}^{\left (2 \,{\mathrm e}^{x} \ln \left (2\right )-{\mathrm e}^{x} x -3 \,{\mathrm e}^{x}+{\mathrm e}^{2 x}+x \right ) {\mathrm e}^{-x}}\) | \(30\) |
parallelrisch | \(x \,{\mathrm e}^{\left ({\mathrm e}^{x} \ln \left (4 x \right )-{\mathrm e}^{x} \ln \left (x \right )+{\mathrm e}^{2 x}+\left (-3-x \right ) {\mathrm e}^{x}+x \right ) {\mathrm e}^{-x}}\) | \(36\) |
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Time = 0.27 (sec) , antiderivative size = 33, normalized size of antiderivative = 1.65 \[ \int e^{-x+e^{-x} \left (e^{2 x}+e^x (-3-x)+x-e^x \log (x)+e^x \log (4 x)\right )} \left (e^x (1-x)+x+e^{2 x} x-x^2\right ) \, dx=x e^{\left (-{\left ({\left (2 \, x - 2 \, \log \left (2\right ) + 3\right )} e^{x} - x - e^{\left (2 \, x\right )}\right )} e^{\left (-x\right )} + x\right )} \]
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Leaf count of result is larger than twice the leaf count of optimal. 37 vs. \(2 (15) = 30\).
Time = 0.17 (sec) , antiderivative size = 37, normalized size of antiderivative = 1.85 \[ \int e^{-x+e^{-x} \left (e^{2 x}+e^x (-3-x)+x-e^x \log (x)+e^x \log (4 x)\right )} \left (e^x (1-x)+x+e^{2 x} x-x^2\right ) \, dx=x e^{\left (x + \left (- x - 3\right ) e^{x} + \left (\log {\left (x \right )} + \log {\left (4 \right )}\right ) e^{x} + e^{2 x} - e^{x} \log {\left (x \right )}\right ) e^{- x}} \]
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Time = 0.28 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.85 \[ \int e^{-x+e^{-x} \left (e^{2 x}+e^x (-3-x)+x-e^x \log (x)+e^x \log (4 x)\right )} \left (e^x (1-x)+x+e^{2 x} x-x^2\right ) \, dx=4 \, x e^{\left (x e^{\left (-x\right )} - x + e^{x} - 3\right )} \]
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Time = 0.29 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.00 \[ \int e^{-x+e^{-x} \left (e^{2 x}+e^x (-3-x)+x-e^x \log (x)+e^x \log (4 x)\right )} \left (e^x (1-x)+x+e^{2 x} x-x^2\right ) \, dx=4 \, x e^{\left ({\left (x + e^{\left (2 \, x\right )}\right )} e^{\left (-x\right )} - x - 3\right )} \]
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Timed out. \[ \int e^{-x+e^{-x} \left (e^{2 x}+e^x (-3-x)+x-e^x \log (x)+e^x \log (4 x)\right )} \left (e^x (1-x)+x+e^{2 x} x-x^2\right ) \, dx=\int {\mathrm {e}}^{-x}\,{\mathrm {e}}^{{\mathrm {e}}^{-x}\,\left (x+{\mathrm {e}}^{2\,x}-{\mathrm {e}}^x\,\left (x+3\right )-{\mathrm {e}}^x\,\ln \left (x\right )+\ln \left (4\,x\right )\,{\mathrm {e}}^x\right )}\,\left (x+x\,{\mathrm {e}}^{2\,x}-{\mathrm {e}}^x\,\left (x-1\right )-x^2\right ) \,d x \]
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