Integrand size = 42, antiderivative size = 20 \[ \int e^{2 e^{-2-x-x^2}} \left (1+e^{-2-x-x^2} \left (32+62 x-4 x^2\right )\right ) \, dx=e^{2 e^{-2-x-x^2}} (-16+x) \]
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Time = 0.02 (sec) , antiderivative size = 35, normalized size of antiderivative = 1.75, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.024, Rules used = {2326} \[ \int e^{2 e^{-2-x-x^2}} \left (1+e^{-2-x-x^2} \left (32+62 x-4 x^2\right )\right ) \, dx=-\frac {e^{2 e^{-x^2-x-2}} \left (-2 x^2+31 x+16\right )}{2 x+1} \]
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Rule 2326
Rubi steps \begin{align*} \text {integral}& = -\frac {e^{2 e^{-2-x-x^2}} \left (16+31 x-2 x^2\right )}{1+2 x} \\ \end{align*}
Time = 0.43 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.00 \[ \int e^{2 e^{-2-x-x^2}} \left (1+e^{-2-x-x^2} \left (32+62 x-4 x^2\right )\right ) \, dx=e^{2 e^{-2-x-x^2}} (-16+x) \]
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Time = 0.12 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.95
method | result | size |
risch | \(\left (x -16\right ) {\mathrm e}^{2 \,{\mathrm e}^{-x^{2}-x -2}}\) | \(19\) |
norman | \(x \,{\mathrm e}^{2 \,{\mathrm e}^{-x^{2}-x -2}}-16 \,{\mathrm e}^{2 \,{\mathrm e}^{-x^{2}-x -2}}\) | \(34\) |
parallelrisch | \(x \,{\mathrm e}^{2 \,{\mathrm e}^{-x^{2}-x -2}}-16 \,{\mathrm e}^{2 \,{\mathrm e}^{-x^{2}-x -2}}\) | \(34\) |
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none
Time = 0.35 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.90 \[ \int e^{2 e^{-2-x-x^2}} \left (1+e^{-2-x-x^2} \left (32+62 x-4 x^2\right )\right ) \, dx={\left (x - 16\right )} e^{\left (2 \, e^{\left (-x^{2} - x - 2\right )}\right )} \]
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Time = 4.36 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.75 \[ \int e^{2 e^{-2-x-x^2}} \left (1+e^{-2-x-x^2} \left (32+62 x-4 x^2\right )\right ) \, dx=\left (x - 16\right ) e^{2 e^{- x^{2} - x - 2}} \]
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\[ \int e^{2 e^{-2-x-x^2}} \left (1+e^{-2-x-x^2} \left (32+62 x-4 x^2\right )\right ) \, dx=\int { -{\left (2 \, {\left (2 \, x^{2} - 31 \, x - 16\right )} e^{\left (-x^{2} - x - 2\right )} - 1\right )} e^{\left (2 \, e^{\left (-x^{2} - x - 2\right )}\right )} \,d x } \]
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none
Time = 0.29 (sec) , antiderivative size = 33, normalized size of antiderivative = 1.65 \[ \int e^{2 e^{-2-x-x^2}} \left (1+e^{-2-x-x^2} \left (32+62 x-4 x^2\right )\right ) \, dx=x e^{\left (2 \, e^{\left (-x^{2} - x - 2\right )}\right )} - 16 \, e^{\left (2 \, e^{\left (-x^{2} - x - 2\right )}\right )} \]
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Time = 0.11 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.95 \[ \int e^{2 e^{-2-x-x^2}} \left (1+e^{-2-x-x^2} \left (32+62 x-4 x^2\right )\right ) \, dx={\mathrm {e}}^{2\,{\mathrm {e}}^{-x}\,{\mathrm {e}}^{-2}\,{\mathrm {e}}^{-x^2}}\,\left (x-16\right ) \]
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