Integrand size = 85, antiderivative size = 24 \[ \int \frac {e^{-e^x+e^{-e^x+2 x} x \left (-2 x+x^2\right ) \log ^4(2)} \left (-2 x+x^2\right ) \left (e^{3 x} \left (2 x-x^2\right ) \log ^4(2)+e^{2 x} \left (-4-x+2 x^2\right ) \log ^4(2)\right )}{-2+x} \, dx=e^{e^{-e^x+2 x} (-2+x) x^2 \log ^4(2)} \]
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\[ \int \frac {e^{-e^x+e^{-e^x+2 x} x \left (-2 x+x^2\right ) \log ^4(2)} \left (-2 x+x^2\right ) \left (e^{3 x} \left (2 x-x^2\right ) \log ^4(2)+e^{2 x} \left (-4-x+2 x^2\right ) \log ^4(2)\right )}{-2+x} \, dx=\int \frac {\exp \left (-e^x+e^{-e^x+2 x} x \left (-2 x+x^2\right ) \log ^4(2)\right ) \left (-2 x+x^2\right ) \left (e^{3 x} \left (2 x-x^2\right ) \log ^4(2)+e^{2 x} \left (-4-x+2 x^2\right ) \log ^4(2)\right )}{-2+x} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \exp \left (-e^x+e^{-e^x+2 x} x \left (-2 x+x^2\right ) \log ^4(2)\right ) x \left (e^{3 x} \left (2 x-x^2\right ) \log ^4(2)+e^{2 x} \left (-4-x+2 x^2\right ) \log ^4(2)\right ) \, dx \\ & = \int \exp \left (-e^x+2 x+e^{-e^x+2 x} x \left (-2 x+x^2\right ) \log ^4(2)\right ) x \left (-4-x+2 e^x x+2 x^2-e^x x^2\right ) \log ^4(2) \, dx \\ & = \log ^4(2) \int \exp \left (-e^x+2 x+e^{-e^x+2 x} x \left (-2 x+x^2\right ) \log ^4(2)\right ) x \left (-4-x+2 e^x x+2 x^2-e^x x^2\right ) \, dx \\ & = \log ^4(2) \int \left (-\exp \left (-e^x+3 x+e^{-e^x+2 x} x \left (-2 x+x^2\right ) \log ^4(2)\right ) (-2+x) x^2+\exp \left (-e^x+2 x+e^{-e^x+2 x} x \left (-2 x+x^2\right ) \log ^4(2)\right ) x \left (-4-x+2 x^2\right )\right ) \, dx \\ & = -\left (\log ^4(2) \int \exp \left (-e^x+3 x+e^{-e^x+2 x} x \left (-2 x+x^2\right ) \log ^4(2)\right ) (-2+x) x^2 \, dx\right )+\log ^4(2) \int \exp \left (-e^x+2 x+e^{-e^x+2 x} x \left (-2 x+x^2\right ) \log ^4(2)\right ) x \left (-4-x+2 x^2\right ) \, dx \\ & = \log ^4(2) \int \left (-4 \exp \left (-e^x+2 x+e^{-e^x+2 x} x \left (-2 x+x^2\right ) \log ^4(2)\right ) x-\exp \left (-e^x+2 x+e^{-e^x+2 x} x \left (-2 x+x^2\right ) \log ^4(2)\right ) x^2+2 \exp \left (-e^x+2 x+e^{-e^x+2 x} x \left (-2 x+x^2\right ) \log ^4(2)\right ) x^3\right ) \, dx-\log ^4(2) \int \left (-2 \exp \left (-e^x+3 x+e^{-e^x+2 x} x \left (-2 x+x^2\right ) \log ^4(2)\right ) x^2+\exp \left (-e^x+3 x+e^{-e^x+2 x} x \left (-2 x+x^2\right ) \log ^4(2)\right ) x^3\right ) \, dx \\ & = -\left (\log ^4(2) \int \exp \left (-e^x+2 x+e^{-e^x+2 x} x \left (-2 x+x^2\right ) \log ^4(2)\right ) x^2 \, dx\right )-\log ^4(2) \int \exp \left (-e^x+3 x+e^{-e^x+2 x} x \left (-2 x+x^2\right ) \log ^4(2)\right ) x^3 \, dx+\left (2 \log ^4(2)\right ) \int \exp \left (-e^x+3 x+e^{-e^x+2 x} x \left (-2 x+x^2\right ) \log ^4(2)\right ) x^2 \, dx+\left (2 \log ^4(2)\right ) \int \exp \left (-e^x+2 x+e^{-e^x+2 x} x \left (-2 x+x^2\right ) \log ^4(2)\right ) x^3 \, dx-\left (4 \log ^4(2)\right ) \int \exp \left (-e^x+2 x+e^{-e^x+2 x} x \left (-2 x+x^2\right ) \log ^4(2)\right ) x \, dx \\ \end{align*}
Time = 2.00 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.00 \[ \int \frac {e^{-e^x+e^{-e^x+2 x} x \left (-2 x+x^2\right ) \log ^4(2)} \left (-2 x+x^2\right ) \left (e^{3 x} \left (2 x-x^2\right ) \log ^4(2)+e^{2 x} \left (-4-x+2 x^2\right ) \log ^4(2)\right )}{-2+x} \, dx=e^{e^{-e^x+2 x} (-2+x) x^2 \log ^4(2)} \]
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Time = 180.23 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.08
method | result | size |
parallelrisch | \({\mathrm e}^{x \ln \left (2\right )^{4} {\mathrm e}^{2 x} {\mathrm e}^{\ln \left (x^{2}-2 x \right )-{\mathrm e}^{x}}}\) | \(26\) |
risch | \({\mathrm e}^{\ln \left (2\right )^{4} \left (-2+x \right ) x^{2} {\mathrm e}^{2 x -\frac {i \pi \operatorname {csgn}\left (i \left (-2+x \right ) x \right )^{3}}{2}+\frac {i \pi \operatorname {csgn}\left (i \left (-2+x \right ) x \right )^{2} \operatorname {csgn}\left (i x \right )}{2}+\frac {i \pi \operatorname {csgn}\left (i \left (-2+x \right ) x \right )^{2} \operatorname {csgn}\left (i \left (-2+x \right )\right )}{2}-\frac {i \pi \,\operatorname {csgn}\left (i \left (-2+x \right ) x \right ) \operatorname {csgn}\left (i x \right ) \operatorname {csgn}\left (i \left (-2+x \right )\right )}{2}-{\mathrm e}^{x}}}\) | \(100\) |
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Time = 0.29 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.00 \[ \int \frac {e^{-e^x+e^{-e^x+2 x} x \left (-2 x+x^2\right ) \log ^4(2)} \left (-2 x+x^2\right ) \left (e^{3 x} \left (2 x-x^2\right ) \log ^4(2)+e^{2 x} \left (-4-x+2 x^2\right ) \log ^4(2)\right )}{-2+x} \, dx=e^{\left (x e^{\left (2 \, x - e^{x} + \log \left (x^{2} - 2 \, x\right )\right )} \log \left (2\right )^{4}\right )} \]
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Time = 0.31 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.00 \[ \int \frac {e^{-e^x+e^{-e^x+2 x} x \left (-2 x+x^2\right ) \log ^4(2)} \left (-2 x+x^2\right ) \left (e^{3 x} \left (2 x-x^2\right ) \log ^4(2)+e^{2 x} \left (-4-x+2 x^2\right ) \log ^4(2)\right )}{-2+x} \, dx=e^{x \left (x^{2} - 2 x\right ) e^{2 x} e^{- e^{x}} \log {\left (2 \right )}^{4}} \]
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Time = 0.54 (sec) , antiderivative size = 37, normalized size of antiderivative = 1.54 \[ \int \frac {e^{-e^x+e^{-e^x+2 x} x \left (-2 x+x^2\right ) \log ^4(2)} \left (-2 x+x^2\right ) \left (e^{3 x} \left (2 x-x^2\right ) \log ^4(2)+e^{2 x} \left (-4-x+2 x^2\right ) \log ^4(2)\right )}{-2+x} \, dx=e^{\left (x^{3} e^{\left (2 \, x - e^{x}\right )} \log \left (2\right )^{4} - 2 \, x^{2} e^{\left (2 \, x - e^{x}\right )} \log \left (2\right )^{4}\right )} \]
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\[ \int \frac {e^{-e^x+e^{-e^x+2 x} x \left (-2 x+x^2\right ) \log ^4(2)} \left (-2 x+x^2\right ) \left (e^{3 x} \left (2 x-x^2\right ) \log ^4(2)+e^{2 x} \left (-4-x+2 x^2\right ) \log ^4(2)\right )}{-2+x} \, dx=\int { -\frac {{\left ({\left (x^{2} - 2 \, x\right )} e^{\left (3 \, x\right )} \log \left (2\right )^{4} - {\left (2 \, x^{2} - x - 4\right )} e^{\left (2 \, x\right )} \log \left (2\right )^{4}\right )} e^{\left (x e^{\left (2 \, x - e^{x} + \log \left (x^{2} - 2 \, x\right )\right )} \log \left (2\right )^{4} - e^{x} + \log \left (x^{2} - 2 \, x\right )\right )}}{x - 2} \,d x } \]
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Time = 7.69 (sec) , antiderivative size = 38, normalized size of antiderivative = 1.58 \[ \int \frac {e^{-e^x+e^{-e^x+2 x} x \left (-2 x+x^2\right ) \log ^4(2)} \left (-2 x+x^2\right ) \left (e^{3 x} \left (2 x-x^2\right ) \log ^4(2)+e^{2 x} \left (-4-x+2 x^2\right ) \log ^4(2)\right )}{-2+x} \, dx={\mathrm {e}}^{x^3\,{\mathrm {e}}^{2\,x}\,{\mathrm {e}}^{-{\mathrm {e}}^x}\,{\ln \left (2\right )}^4}\,{\mathrm {e}}^{-2\,x^2\,{\mathrm {e}}^{2\,x}\,{\mathrm {e}}^{-{\mathrm {e}}^x}\,{\ln \left (2\right )}^4} \]
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