Integrand size = 24, antiderivative size = 16 \[ \int e^{-e^x} \left (-e^{1+x}+2 e^{e^x} x\right ) \, dx=1+e^{1-e^x}+x^2+\log (3) \]
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Time = 0.04 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.81, number of steps used = 4, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.125, Rules used = {6820, 2320, 2225} \[ \int e^{-e^x} \left (-e^{1+x}+2 e^{e^x} x\right ) \, dx=x^2+e^{1-e^x} \]
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Rule 2225
Rule 2320
Rule 6820
Rubi steps \begin{align*} \text {integral}& = \int \left (-e^{1-e^x+x}+2 x\right ) \, dx \\ & = x^2-\int e^{1-e^x+x} \, dx \\ & = x^2-\text {Subst}\left (\int e^{1-x} \, dx,x,e^x\right ) \\ & = e^{1-e^x}+x^2 \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.81 \[ \int e^{-e^x} \left (-e^{1+x}+2 e^{e^x} x\right ) \, dx=e^{1-e^x}+x^2 \]
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Time = 0.05 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.75
method | result | size |
risch | \(x^{2}+{\mathrm e}^{1-{\mathrm e}^{x}}\) | \(12\) |
default | \(x^{2}+{\mathrm e} \,{\mathrm e}^{-{\mathrm e}^{x}}\) | \(13\) |
parts | \(x^{2}+{\mathrm e} \,{\mathrm e}^{-{\mathrm e}^{x}}\) | \(13\) |
norman | \(\left ({\mathrm e}^{{\mathrm e}^{x}} x^{2}+{\mathrm e}\right ) {\mathrm e}^{-{\mathrm e}^{x}}\) | \(17\) |
parallelrisch | \(\left ({\mathrm e}^{{\mathrm e}^{x}} x^{2}+{\mathrm e}\right ) {\mathrm e}^{-{\mathrm e}^{x}}\) | \(17\) |
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Time = 0.25 (sec) , antiderivative size = 16, normalized size of antiderivative = 1.00 \[ \int e^{-e^x} \left (-e^{1+x}+2 e^{e^x} x\right ) \, dx={\left (x^{2} e^{\left (e^{x}\right )} + e\right )} e^{\left (-e^{x}\right )} \]
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Time = 0.06 (sec) , antiderivative size = 10, normalized size of antiderivative = 0.62 \[ \int e^{-e^x} \left (-e^{1+x}+2 e^{e^x} x\right ) \, dx=x^{2} + e e^{- e^{x}} \]
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Time = 0.20 (sec) , antiderivative size = 11, normalized size of antiderivative = 0.69 \[ \int e^{-e^x} \left (-e^{1+x}+2 e^{e^x} x\right ) \, dx=x^{2} + e^{\left (-e^{x} + 1\right )} \]
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Time = 0.27 (sec) , antiderivative size = 11, normalized size of antiderivative = 0.69 \[ \int e^{-e^x} \left (-e^{1+x}+2 e^{e^x} x\right ) \, dx=x^{2} + e^{\left (-e^{x} + 1\right )} \]
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Time = 0.09 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.75 \[ \int e^{-e^x} \left (-e^{1+x}+2 e^{e^x} x\right ) \, dx=\mathrm {e}\,{\mathrm {e}}^{-{\mathrm {e}}^x}+x^2 \]
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