Integrand size = 45, antiderivative size = 22 \[ \int e^{-e^{x^2}} \left (3 x^2-2 e^{x^2} x^4+e^{e^{x^2}} \left (2+e^{6+x} (1+x)\right )\right ) \, dx=x \left (2+e^{6+x}+e^{-e^{x^2}} x^2\right ) \]
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\[ \int e^{-e^{x^2}} \left (3 x^2-2 e^{x^2} x^4+e^{e^{x^2}} \left (2+e^{6+x} (1+x)\right )\right ) \, dx=\int e^{-e^{x^2}} \left (3 x^2-2 e^{x^2} x^4+e^{e^{x^2}} \left (2+e^{6+x} (1+x)\right )\right ) \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \left (2+e^{6+x}+e^{6+x} x+3 e^{-e^{x^2}} x^2-2 e^{-e^{x^2}+x^2} x^4\right ) \, dx \\ & = 2 x-2 \int e^{-e^{x^2}+x^2} x^4 \, dx+3 \int e^{-e^{x^2}} x^2 \, dx+\int e^{6+x} \, dx+\int e^{6+x} x \, dx \\ & = e^{6+x}+2 x+e^{6+x} x-2 \int e^{-e^{x^2}+x^2} x^4 \, dx+3 \int e^{-e^{x^2}} x^2 \, dx-\int e^{6+x} \, dx \\ & = 2 x+e^{6+x} x-2 \int e^{-e^{x^2}+x^2} x^4 \, dx+3 \int e^{-e^{x^2}} x^2 \, dx \\ \end{align*}
Time = 0.49 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.09 \[ \int e^{-e^{x^2}} \left (3 x^2-2 e^{x^2} x^4+e^{e^{x^2}} \left (2+e^{6+x} (1+x)\right )\right ) \, dx=2 x+e^{6+x} x+e^{-e^{x^2}} x^3 \]
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Time = 0.09 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.00
method | result | size |
risch | \(x \,{\mathrm e}^{6+x}+2 x +x^{3} {\mathrm e}^{-{\mathrm e}^{x^{2}}}\) | \(22\) |
parallelrisch | \(-\left (-x^{3}-{\mathrm e}^{6+x} {\mathrm e}^{{\mathrm e}^{x^{2}}} x -2 \,{\mathrm e}^{{\mathrm e}^{x^{2}}} x \right ) {\mathrm e}^{-{\mathrm e}^{x^{2}}}\) | \(36\) |
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Time = 0.25 (sec) , antiderivative size = 28, normalized size of antiderivative = 1.27 \[ \int e^{-e^{x^2}} \left (3 x^2-2 e^{x^2} x^4+e^{e^{x^2}} \left (2+e^{6+x} (1+x)\right )\right ) \, dx={\left (x^{3} + {\left (x e^{\left (x + 6\right )} + 2 \, x\right )} e^{\left (e^{\left (x^{2}\right )}\right )}\right )} e^{\left (-e^{\left (x^{2}\right )}\right )} \]
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Time = 0.67 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.86 \[ \int e^{-e^{x^2}} \left (3 x^2-2 e^{x^2} x^4+e^{e^{x^2}} \left (2+e^{6+x} (1+x)\right )\right ) \, dx=x^{3} e^{- e^{x^{2}}} + x e^{x + 6} + 2 x \]
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Time = 0.26 (sec) , antiderivative size = 31, normalized size of antiderivative = 1.41 \[ \int e^{-e^{x^2}} \left (3 x^2-2 e^{x^2} x^4+e^{e^{x^2}} \left (2+e^{6+x} (1+x)\right )\right ) \, dx=x^{3} e^{\left (-e^{\left (x^{2}\right )}\right )} + {\left (x e^{6} - e^{6}\right )} e^{x} + 2 \, x + e^{\left (x + 6\right )} \]
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Time = 0.27 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.95 \[ \int e^{-e^{x^2}} \left (3 x^2-2 e^{x^2} x^4+e^{e^{x^2}} \left (2+e^{6+x} (1+x)\right )\right ) \, dx=x^{3} e^{\left (-e^{\left (x^{2}\right )}\right )} + x e^{\left (x + 6\right )} + 2 \, x \]
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Time = 13.33 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.95 \[ \int e^{-e^{x^2}} \left (3 x^2-2 e^{x^2} x^4+e^{e^{x^2}} \left (2+e^{6+x} (1+x)\right )\right ) \, dx=2\,x+x^3\,{\mathrm {e}}^{-{\mathrm {e}}^{x^2}}+x\,{\mathrm {e}}^6\,{\mathrm {e}}^x \]
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