Integrand size = 99, antiderivative size = 32 \[ \int \frac {-25+e^{-2+2 e^{\sqrt [4]{e}}-e^{x^2}-x} \left (-25-50 e^{x^2} x\right )}{1+e^{-4+4 e^{\sqrt [4]{e}}-2 e^{x^2}-2 x}+e^{-2+2 e^{\sqrt [4]{e}}-e^{x^2}-x} (-2-2 x)+2 x+x^2} \, dx=\frac {25}{1-e^{-2+2 e^{\sqrt [4]{e}}-e^{x^2}-x}+x} \]
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\[ \int \frac {-25+e^{-2+2 e^{\sqrt [4]{e}}-e^{x^2}-x} \left (-25-50 e^{x^2} x\right )}{1+e^{-4+4 e^{\sqrt [4]{e}}-2 e^{x^2}-2 x}+e^{-2+2 e^{\sqrt [4]{e}}-e^{x^2}-x} (-2-2 x)+2 x+x^2} \, dx=\int \frac {-25+e^{-2+2 e^{\sqrt [4]{e}}-e^{x^2}-x} \left (-25-50 e^{x^2} x\right )}{1+e^{-4+4 e^{\sqrt [4]{e}}-2 e^{x^2}-2 x}+e^{-2+2 e^{\sqrt [4]{e}}-e^{x^2}-x} (-2-2 x)+2 x+x^2} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \frac {e^{2 \left (2+e^{x^2}+x\right )} \left (-25+e^{-2+2 e^{\sqrt [4]{e}}-e^{x^2}-x} \left (-25-50 e^{x^2} x\right )\right )}{\left (e^{2 e^{\sqrt [4]{e}}}-e^{2+e^{x^2}+x}-e^{2+e^{x^2}+x} x\right )^2} \, dx \\ & = \int \left (-\frac {50 \exp \left (-e^{x^2}-2 \left (1-e^{\sqrt [4]{e}}\right )-x+x^2+2 \left (2+e^{x^2}+x\right )\right ) x}{\left (e^{2 e^{\sqrt [4]{e}}}-e^{2+e^{x^2}+x}-e^{2+e^{x^2}+x} x\right )^2}-\frac {25 e^{-2-e^{x^2}-x+2 \left (2+e^{x^2}+x\right )} \left (e^{2 e^{\sqrt [4]{e}}}+e^{2+e^{x^2}+x}\right )}{\left (-e^{2 e^{\sqrt [4]{e}}}+e^{2+e^{x^2}+x}+e^{2+e^{x^2}+x} x\right )^2}\right ) \, dx \\ & = -\left (25 \int \frac {e^{-2-e^{x^2}-x+2 \left (2+e^{x^2}+x\right )} \left (e^{2 e^{\sqrt [4]{e}}}+e^{2+e^{x^2}+x}\right )}{\left (-e^{2 e^{\sqrt [4]{e}}}+e^{2+e^{x^2}+x}+e^{2+e^{x^2}+x} x\right )^2} \, dx\right )-50 \int \frac {\exp \left (-e^{x^2}-2 \left (1-e^{\sqrt [4]{e}}\right )-x+x^2+2 \left (2+e^{x^2}+x\right )\right ) x}{\left (e^{2 e^{\sqrt [4]{e}}}-e^{2+e^{x^2}+x}-e^{2+e^{x^2}+x} x\right )^2} \, dx \\ & = -\left (25 \int \frac {e^{2+e^{x^2}+x} \left (e^{2 e^{\sqrt [4]{e}}}+e^{2+e^{x^2}+x}\right )}{\left (e^{2 e^{\sqrt [4]{e}}}-e^{2+e^{x^2}+x} (1+x)\right )^2} \, dx\right )-50 \int \frac {e^{e^{x^2}+2 \left (1+e^{\sqrt [4]{e}}\right )+x+x^2} x}{\left (e^{2 e^{\sqrt [4]{e}}}-e^{2+e^{x^2}+x} (1+x)\right )^2} \, dx \\ & = -\left (25 \int \left (\frac {e^{2+2 e^{\sqrt [4]{e}}+e^{x^2}+x} (2+x)}{(1+x) \left (e^{2 e^{\sqrt [4]{e}}}-e^{2+e^{x^2}+x}-e^{2+e^{x^2}+x} x\right )^2}+\frac {e^{2+e^{x^2}+x}}{(1+x) \left (-e^{2 e^{\sqrt [4]{e}}}+e^{2+e^{x^2}+x}+e^{2+e^{x^2}+x} x\right )}\right ) \, dx\right )-50 \int \frac {e^{e^{x^2}+2 \left (1+e^{\sqrt [4]{e}}\right )+x+x^2} x}{\left (e^{2 e^{\sqrt [4]{e}}}-e^{2+e^{x^2}+x} (1+x)\right )^2} \, dx \\ & = -\left (25 \int \frac {e^{2+2 e^{\sqrt [4]{e}}+e^{x^2}+x} (2+x)}{(1+x) \left (e^{2 e^{\sqrt [4]{e}}}-e^{2+e^{x^2}+x}-e^{2+e^{x^2}+x} x\right )^2} \, dx\right )-25 \int \frac {e^{2+e^{x^2}+x}}{(1+x) \left (-e^{2 e^{\sqrt [4]{e}}}+e^{2+e^{x^2}+x}+e^{2+e^{x^2}+x} x\right )} \, dx-50 \int \frac {e^{e^{x^2}+2 \left (1+e^{\sqrt [4]{e}}\right )+x+x^2} x}{\left (e^{2 e^{\sqrt [4]{e}}}-e^{2+e^{x^2}+x} (1+x)\right )^2} \, dx \\ & = -\left (25 \int \frac {e^{e^{x^2}+2 \left (1+e^{\sqrt [4]{e}}\right )+x} (2+x)}{(1+x) \left (e^{2 e^{\sqrt [4]{e}}}-e^{2+e^{x^2}+x}-e^{2+e^{x^2}+x} x\right )^2} \, dx\right )-25 \int \frac {e^{2+e^{x^2}+x}}{(1+x) \left (-e^{2 e^{\sqrt [4]{e}}}+e^{2+e^{x^2}+x}+e^{2+e^{x^2}+x} x\right )} \, dx-50 \int \frac {e^{e^{x^2}+2 \left (1+e^{\sqrt [4]{e}}\right )+x+x^2} x}{\left (e^{2 e^{\sqrt [4]{e}}}-e^{2+e^{x^2}+x} (1+x)\right )^2} \, dx \\ & = -\left (25 \int \frac {e^{2+e^{x^2}+x}}{(1+x) \left (-e^{2 e^{\sqrt [4]{e}}}+e^{2+e^{x^2}+x}+e^{2+e^{x^2}+x} x\right )} \, dx\right )-25 \int \frac {e^{e^{x^2}+2 \left (1+e^{\sqrt [4]{e}}\right )+x} (2+x)}{(1+x) \left (e^{2 e^{\sqrt [4]{e}}}-e^{2+e^{x^2}+x} (1+x)\right )^2} \, dx-50 \int \frac {e^{e^{x^2}+2 \left (1+e^{\sqrt [4]{e}}\right )+x+x^2} x}{\left (e^{2 e^{\sqrt [4]{e}}}-e^{2+e^{x^2}+x} (1+x)\right )^2} \, dx \\ & = -\left (25 \int \frac {e^{2+e^{x^2}+x}}{(1+x) \left (-e^{2 e^{\sqrt [4]{e}}}+e^{2+e^{x^2}+x}+e^{2+e^{x^2}+x} x\right )} \, dx\right )-25 \int \left (\frac {e^{e^{x^2}+2 \left (1+e^{\sqrt [4]{e}}\right )+x}}{\left (e^{2 e^{\sqrt [4]{e}}}-e^{2+e^{x^2}+x}-e^{2+e^{x^2}+x} x\right )^2}+\frac {e^{e^{x^2}+2 \left (1+e^{\sqrt [4]{e}}\right )+x}}{(1+x) \left (-e^{2 e^{\sqrt [4]{e}}}+e^{2+e^{x^2}+x}+e^{2+e^{x^2}+x} x\right )^2}\right ) \, dx-50 \int \frac {e^{e^{x^2}+2 \left (1+e^{\sqrt [4]{e}}\right )+x+x^2} x}{\left (e^{2 e^{\sqrt [4]{e}}}-e^{2+e^{x^2}+x} (1+x)\right )^2} \, dx \\ & = -\left (25 \int \frac {e^{e^{x^2}+2 \left (1+e^{\sqrt [4]{e}}\right )+x}}{\left (e^{2 e^{\sqrt [4]{e}}}-e^{2+e^{x^2}+x}-e^{2+e^{x^2}+x} x\right )^2} \, dx\right )-25 \int \frac {e^{e^{x^2}+2 \left (1+e^{\sqrt [4]{e}}\right )+x}}{(1+x) \left (-e^{2 e^{\sqrt [4]{e}}}+e^{2+e^{x^2}+x}+e^{2+e^{x^2}+x} x\right )^2} \, dx-25 \int \frac {e^{2+e^{x^2}+x}}{(1+x) \left (-e^{2 e^{\sqrt [4]{e}}}+e^{2+e^{x^2}+x}+e^{2+e^{x^2}+x} x\right )} \, dx-50 \int \frac {e^{e^{x^2}+2 \left (1+e^{\sqrt [4]{e}}\right )+x+x^2} x}{\left (e^{2 e^{\sqrt [4]{e}}}-e^{2+e^{x^2}+x} (1+x)\right )^2} \, dx \\ & = -\left (25 \int \frac {e^{e^{x^2}+2 \left (1+e^{\sqrt [4]{e}}\right )+x}}{(1+x) \left (-e^{2 e^{\sqrt [4]{e}}}+e^{2+e^{x^2}+x}+e^{2+e^{x^2}+x} x\right )^2} \, dx\right )-25 \int \frac {e^{2+e^{x^2}+x}}{(1+x) \left (-e^{2 e^{\sqrt [4]{e}}}+e^{2+e^{x^2}+x}+e^{2+e^{x^2}+x} x\right )} \, dx-25 \int \frac {e^{e^{x^2}+2 \left (1+e^{\sqrt [4]{e}}\right )+x}}{\left (e^{2 e^{\sqrt [4]{e}}}-e^{2+e^{x^2}+x} (1+x)\right )^2} \, dx-50 \int \frac {e^{e^{x^2}+2 \left (1+e^{\sqrt [4]{e}}\right )+x+x^2} x}{\left (e^{2 e^{\sqrt [4]{e}}}-e^{2+e^{x^2}+x} (1+x)\right )^2} \, dx \\ \end{align*}
Time = 0.12 (sec) , antiderivative size = 42, normalized size of antiderivative = 1.31 \[ \int \frac {-25+e^{-2+2 e^{\sqrt [4]{e}}-e^{x^2}-x} \left (-25-50 e^{x^2} x\right )}{1+e^{-4+4 e^{\sqrt [4]{e}}-2 e^{x^2}-2 x}+e^{-2+2 e^{\sqrt [4]{e}}-e^{x^2}-x} (-2-2 x)+2 x+x^2} \, dx=\frac {25 e^{2+e^{x^2}+x}}{-e^{2 e^{\sqrt [4]{e}}}+e^{2+e^{x^2}+x} (1+x)} \]
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Time = 0.19 (sec) , antiderivative size = 27, normalized size of antiderivative = 0.84
method | result | size |
norman | \(\frac {25}{x +1-{\mathrm e}^{2 \,{\mathrm e}^{{\mathrm e}^{\frac {1}{4}}}-{\mathrm e}^{x^{2}}-x -2}}\) | \(27\) |
risch | \(\frac {25}{x +1-{\mathrm e}^{2 \,{\mathrm e}^{{\mathrm e}^{\frac {1}{4}}}-{\mathrm e}^{x^{2}}-x -2}}\) | \(27\) |
parallelrisch | \(\frac {25}{x +1-{\mathrm e}^{2 \,{\mathrm e}^{{\mathrm e}^{\frac {1}{4}}}-{\mathrm e}^{x^{2}}-x -2}}\) | \(27\) |
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Time = 0.24 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.81 \[ \int \frac {-25+e^{-2+2 e^{\sqrt [4]{e}}-e^{x^2}-x} \left (-25-50 e^{x^2} x\right )}{1+e^{-4+4 e^{\sqrt [4]{e}}-2 e^{x^2}-2 x}+e^{-2+2 e^{\sqrt [4]{e}}-e^{x^2}-x} (-2-2 x)+2 x+x^2} \, dx=\frac {25}{x - e^{\left (-x - e^{\left (x^{2}\right )} + 2 \, e^{\left (e^{\frac {1}{4}}\right )} - 2\right )} + 1} \]
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Time = 0.10 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.75 \[ \int \frac {-25+e^{-2+2 e^{\sqrt [4]{e}}-e^{x^2}-x} \left (-25-50 e^{x^2} x\right )}{1+e^{-4+4 e^{\sqrt [4]{e}}-2 e^{x^2}-2 x}+e^{-2+2 e^{\sqrt [4]{e}}-e^{x^2}-x} (-2-2 x)+2 x+x^2} \, dx=- \frac {25}{- x + e^{- x - e^{x^{2}} - 2 + 2 e^{e^{\frac {1}{4}}}} - 1} \]
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Time = 0.27 (sec) , antiderivative size = 36, normalized size of antiderivative = 1.12 \[ \int \frac {-25+e^{-2+2 e^{\sqrt [4]{e}}-e^{x^2}-x} \left (-25-50 e^{x^2} x\right )}{1+e^{-4+4 e^{\sqrt [4]{e}}-2 e^{x^2}-2 x}+e^{-2+2 e^{\sqrt [4]{e}}-e^{x^2}-x} (-2-2 x)+2 x+x^2} \, dx=\frac {25 \, e^{\left (x + e^{\left (x^{2}\right )} + 2\right )}}{{\left (x e^{2} + e^{2}\right )} e^{\left (x + e^{\left (x^{2}\right )}\right )} - e^{\left (2 \, e^{\left (e^{\frac {1}{4}}\right )}\right )}} \]
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Time = 0.34 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.81 \[ \int \frac {-25+e^{-2+2 e^{\sqrt [4]{e}}-e^{x^2}-x} \left (-25-50 e^{x^2} x\right )}{1+e^{-4+4 e^{\sqrt [4]{e}}-2 e^{x^2}-2 x}+e^{-2+2 e^{\sqrt [4]{e}}-e^{x^2}-x} (-2-2 x)+2 x+x^2} \, dx=\frac {25}{x - e^{\left (-x - e^{\left (x^{2}\right )} + 2 \, e^{\left (e^{\frac {1}{4}}\right )} - 2\right )} + 1} \]
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Time = 15.80 (sec) , antiderivative size = 28, normalized size of antiderivative = 0.88 \[ \int \frac {-25+e^{-2+2 e^{\sqrt [4]{e}}-e^{x^2}-x} \left (-25-50 e^{x^2} x\right )}{1+e^{-4+4 e^{\sqrt [4]{e}}-2 e^{x^2}-2 x}+e^{-2+2 e^{\sqrt [4]{e}}-e^{x^2}-x} (-2-2 x)+2 x+x^2} \, dx=\frac {25}{x-{\mathrm {e}}^{-{\mathrm {e}}^{x^2}}\,{\mathrm {e}}^{-x}\,{\mathrm {e}}^{-2}\,{\mathrm {e}}^{2\,{\mathrm {e}}^{{\mathrm {e}}^{1/4}}}+1} \]
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