Integrand size = 97, antiderivative size = 18 \[ \int \frac {e^{e^{\frac {1+8 x^2+2 x^3+x^2 \log (-2+x)}{x}}+\frac {1+8 x^2+2 x^3+x^2 \log (-2+x)}{x}} \left (2-x-16 x^2+x^3+4 x^4+\left (-2 x^2+x^3\right ) \log (-2+x)\right )}{-2 x^2+x^3} \, dx=e^{e^{x \left (8+\frac {1}{x^2}+2 x+\log (-2+x)\right )}} \]
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\[ \int \frac {e^{e^{\frac {1+8 x^2+2 x^3+x^2 \log (-2+x)}{x}}+\frac {1+8 x^2+2 x^3+x^2 \log (-2+x)}{x}} \left (2-x-16 x^2+x^3+4 x^4+\left (-2 x^2+x^3\right ) \log (-2+x)\right )}{-2 x^2+x^3} \, dx=\int \frac {\exp \left (e^{\frac {1+8 x^2+2 x^3+x^2 \log (-2+x)}{x}}+\frac {1+8 x^2+2 x^3+x^2 \log (-2+x)}{x}\right ) \left (2-x-16 x^2+x^3+4 x^4+\left (-2 x^2+x^3\right ) \log (-2+x)\right )}{-2 x^2+x^3} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \frac {\exp \left (e^{\frac {1+8 x^2+2 x^3+x^2 \log (-2+x)}{x}}+\frac {1+8 x^2+2 x^3+x^2 \log (-2+x)}{x}\right ) \left (2-x-16 x^2+x^3+4 x^4+\left (-2 x^2+x^3\right ) \log (-2+x)\right )}{(-2+x) x^2} \, dx \\ & = \int \left (\frac {\exp \left (e^{\frac {1+8 x^2+2 x^3+x^2 \log (-2+x)}{x}}+\frac {1+8 x^2+2 x^3+x^2 \log (-2+x)}{x}\right ) \left (2-x-16 x^2+x^3+4 x^4\right )}{(-2+x) x^2}+\exp \left (e^{\frac {1+8 x^2+2 x^3+x^2 \log (-2+x)}{x}}+\frac {1+8 x^2+2 x^3+x^2 \log (-2+x)}{x}\right ) \log (-2+x)\right ) \, dx \\ & = \int \frac {\exp \left (e^{\frac {1+8 x^2+2 x^3+x^2 \log (-2+x)}{x}}+\frac {1+8 x^2+2 x^3+x^2 \log (-2+x)}{x}\right ) \left (2-x-16 x^2+x^3+4 x^4\right )}{(-2+x) x^2} \, dx+\int \exp \left (e^{\frac {1+8 x^2+2 x^3+x^2 \log (-2+x)}{x}}+\frac {1+8 x^2+2 x^3+x^2 \log (-2+x)}{x}\right ) \log (-2+x) \, dx \\ & = \int \frac {\exp \left (e^{\frac {1}{x}+8 x+2 x^2} (-2+x)^x+\frac {1}{x}+8 x+2 x^2\right ) (-2+x)^{-1+x} \left (2-x-16 x^2+x^3+4 x^4\right )}{x^2} \, dx+\int \exp \left (e^{\frac {1+8 x^2+2 x^3+x^2 \log (-2+x)}{x}}+\frac {1+8 x^2+2 x^3+x^2 \log (-2+x)}{x}\right ) \log (-2+x) \, dx \\ & = \int \left (-16 \exp \left (e^{\frac {1}{x}+8 x+2 x^2} (-2+x)^x+\frac {1}{x}+8 x+2 x^2\right ) (-2+x)^{-1+x}+\frac {2 \exp \left (e^{\frac {1}{x}+8 x+2 x^2} (-2+x)^x+\frac {1}{x}+8 x+2 x^2\right ) (-2+x)^{-1+x}}{x^2}-\frac {\exp \left (e^{\frac {1}{x}+8 x+2 x^2} (-2+x)^x+\frac {1}{x}+8 x+2 x^2\right ) (-2+x)^{-1+x}}{x}+\exp \left (e^{\frac {1}{x}+8 x+2 x^2} (-2+x)^x+\frac {1}{x}+8 x+2 x^2\right ) (-2+x)^{-1+x} x+4 \exp \left (e^{\frac {1}{x}+8 x+2 x^2} (-2+x)^x+\frac {1}{x}+8 x+2 x^2\right ) (-2+x)^{-1+x} x^2\right ) \, dx+\int \exp \left (e^{\frac {1+8 x^2+2 x^3+x^2 \log (-2+x)}{x}}+\frac {1+8 x^2+2 x^3+x^2 \log (-2+x)}{x}\right ) \log (-2+x) \, dx \\ & = 2 \int \frac {\exp \left (e^{\frac {1}{x}+8 x+2 x^2} (-2+x)^x+\frac {1}{x}+8 x+2 x^2\right ) (-2+x)^{-1+x}}{x^2} \, dx+4 \int \exp \left (e^{\frac {1}{x}+8 x+2 x^2} (-2+x)^x+\frac {1}{x}+8 x+2 x^2\right ) (-2+x)^{-1+x} x^2 \, dx-16 \int \exp \left (e^{\frac {1}{x}+8 x+2 x^2} (-2+x)^x+\frac {1}{x}+8 x+2 x^2\right ) (-2+x)^{-1+x} \, dx-\int \frac {\exp \left (e^{\frac {1}{x}+8 x+2 x^2} (-2+x)^x+\frac {1}{x}+8 x+2 x^2\right ) (-2+x)^{-1+x}}{x} \, dx+\int \exp \left (e^{\frac {1}{x}+8 x+2 x^2} (-2+x)^x+\frac {1}{x}+8 x+2 x^2\right ) (-2+x)^{-1+x} x \, dx+\int \exp \left (e^{\frac {1+8 x^2+2 x^3+x^2 \log (-2+x)}{x}}+\frac {1+8 x^2+2 x^3+x^2 \log (-2+x)}{x}\right ) \log (-2+x) \, dx \\ \end{align*}
Time = 5.08 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.22 \[ \int \frac {e^{e^{\frac {1+8 x^2+2 x^3+x^2 \log (-2+x)}{x}}+\frac {1+8 x^2+2 x^3+x^2 \log (-2+x)}{x}} \left (2-x-16 x^2+x^3+4 x^4+\left (-2 x^2+x^3\right ) \log (-2+x)\right )}{-2 x^2+x^3} \, dx=e^{e^{\frac {1}{x}+8 x+2 x^2} (-2+x)^x} \]
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Time = 1.60 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.39
method | result | size |
risch | \({\mathrm e}^{\left (-2+x \right )^{x} {\mathrm e}^{\frac {2 x^{3}+8 x^{2}+1}{x}}}\) | \(25\) |
parallelrisch | \({\mathrm e}^{{\mathrm e}^{\frac {x^{2} \ln \left (-2+x \right )+2 x^{3}+8 x^{2}+1}{x}}}\) | \(27\) |
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Leaf count of result is larger than twice the leaf count of optimal. 78 vs. \(2 (16) = 32\).
Time = 0.29 (sec) , antiderivative size = 78, normalized size of antiderivative = 4.33 \[ \int \frac {e^{e^{\frac {1+8 x^2+2 x^3+x^2 \log (-2+x)}{x}}+\frac {1+8 x^2+2 x^3+x^2 \log (-2+x)}{x}} \left (2-x-16 x^2+x^3+4 x^4+\left (-2 x^2+x^3\right ) \log (-2+x)\right )}{-2 x^2+x^3} \, dx=e^{\left (\frac {2 \, x^{3} + x^{2} \log \left (x - 2\right ) + 8 \, x^{2} + x e^{\left (\frac {2 \, x^{3} + x^{2} \log \left (x - 2\right ) + 8 \, x^{2} + 1}{x}\right )} + 1}{x} - \frac {2 \, x^{3} + x^{2} \log \left (x - 2\right ) + 8 \, x^{2} + 1}{x}\right )} \]
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Time = 0.72 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.33 \[ \int \frac {e^{e^{\frac {1+8 x^2+2 x^3+x^2 \log (-2+x)}{x}}+\frac {1+8 x^2+2 x^3+x^2 \log (-2+x)}{x}} \left (2-x-16 x^2+x^3+4 x^4+\left (-2 x^2+x^3\right ) \log (-2+x)\right )}{-2 x^2+x^3} \, dx=e^{e^{\frac {2 x^{3} + x^{2} \log {\left (x - 2 \right )} + 8 x^{2} + 1}{x}}} \]
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Time = 0.31 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.11 \[ \int \frac {e^{e^{\frac {1+8 x^2+2 x^3+x^2 \log (-2+x)}{x}}+\frac {1+8 x^2+2 x^3+x^2 \log (-2+x)}{x}} \left (2-x-16 x^2+x^3+4 x^4+\left (-2 x^2+x^3\right ) \log (-2+x)\right )}{-2 x^2+x^3} \, dx=e^{\left (e^{\left (2 \, x^{2} + x \log \left (x - 2\right ) + 8 \, x + \frac {1}{x}\right )}\right )} \]
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\[ \int \frac {e^{e^{\frac {1+8 x^2+2 x^3+x^2 \log (-2+x)}{x}}+\frac {1+8 x^2+2 x^3+x^2 \log (-2+x)}{x}} \left (2-x-16 x^2+x^3+4 x^4+\left (-2 x^2+x^3\right ) \log (-2+x)\right )}{-2 x^2+x^3} \, dx=\int { \frac {{\left (4 \, x^{4} + x^{3} - 16 \, x^{2} + {\left (x^{3} - 2 \, x^{2}\right )} \log \left (x - 2\right ) - x + 2\right )} e^{\left (\frac {2 \, x^{3} + x^{2} \log \left (x - 2\right ) + 8 \, x^{2} + 1}{x} + e^{\left (\frac {2 \, x^{3} + x^{2} \log \left (x - 2\right ) + 8 \, x^{2} + 1}{x}\right )}\right )}}{x^{3} - 2 \, x^{2}} \,d x } \]
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Time = 13.15 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.17 \[ \int \frac {e^{e^{\frac {1+8 x^2+2 x^3+x^2 \log (-2+x)}{x}}+\frac {1+8 x^2+2 x^3+x^2 \log (-2+x)}{x}} \left (2-x-16 x^2+x^3+4 x^4+\left (-2 x^2+x^3\right ) \log (-2+x)\right )}{-2 x^2+x^3} \, dx={\mathrm {e}}^{{\mathrm {e}}^{8\,x}\,{\mathrm {e}}^{1/x}\,{\mathrm {e}}^{2\,x^2}\,{\left (x-2\right )}^x} \]
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