Integrand size = 55, antiderivative size = 25 \[ \int \frac {2+e^x+x-x^2+\left (2+2 x-3 x^2+e^x (1+x)\right ) \log (x)}{\left (2 x+e^x x+x^2-x^3\right ) \log (x)} \, dx=-4+\log (5)+\log \left (\left (-x+x \left (3+e^x+x-x^2\right )\right ) \log (x)\right ) \]
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\[ \int \frac {2+e^x+x-x^2+\left (2+2 x-3 x^2+e^x (1+x)\right ) \log (x)}{\left (2 x+e^x x+x^2-x^3\right ) \log (x)} \, dx=\int \frac {2+e^x+x-x^2+\left (2+2 x-3 x^2+e^x (1+x)\right ) \log (x)}{\left (2 x+e^x x+x^2-x^3\right ) \log (x)} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {-1-3 x+x^2}{2+e^x+x-x^2}+\frac {1+\log (x)+x \log (x)}{x \log (x)}\right ) \, dx \\ & = \int \frac {-1-3 x+x^2}{2+e^x+x-x^2} \, dx+\int \frac {1+\log (x)+x \log (x)}{x \log (x)} \, dx \\ & = \int \left (-\frac {1}{2+e^x+x-x^2}+\frac {3 x}{-2-e^x-x+x^2}-\frac {x^2}{-2-e^x-x+x^2}\right ) \, dx+\int \left (\frac {1+x}{x}+\frac {1}{x \log (x)}\right ) \, dx \\ & = 3 \int \frac {x}{-2-e^x-x+x^2} \, dx+\int \frac {1+x}{x} \, dx-\int \frac {1}{2+e^x+x-x^2} \, dx-\int \frac {x^2}{-2-e^x-x+x^2} \, dx+\int \frac {1}{x \log (x)} \, dx \\ & = 3 \int \frac {x}{-2-e^x-x+x^2} \, dx+\int \left (1+\frac {1}{x}\right ) \, dx-\int \frac {1}{2+e^x+x-x^2} \, dx-\int \frac {x^2}{-2-e^x-x+x^2} \, dx+\text {Subst}\left (\int \frac {1}{x} \, dx,x,\log (x)\right ) \\ & = x+\log (x)+\log (\log (x))+3 \int \frac {x}{-2-e^x-x+x^2} \, dx-\int \frac {1}{2+e^x+x-x^2} \, dx-\int \frac {x^2}{-2-e^x-x+x^2} \, dx \\ \end{align*}
Time = 0.32 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.72 \[ \int \frac {2+e^x+x-x^2+\left (2+2 x-3 x^2+e^x (1+x)\right ) \log (x)}{\left (2 x+e^x x+x^2-x^3\right ) \log (x)} \, dx=\log (x)+\log \left (2+e^x+x-x^2\right )+\log (\log (x)) \]
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Time = 0.08 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.72
method | result | size |
risch | \(\ln \left (x \right )+\ln \left (-x^{2}+{\mathrm e}^{x}+x +2\right )+\ln \left (\ln \left (x \right )\right )\) | \(18\) |
norman | \(\ln \left (x \right )+\ln \left (\ln \left (x \right )\right )+\ln \left (x^{2}-x -{\mathrm e}^{x}-2\right )\) | \(20\) |
parallelrisch | \(\ln \left (x \right )+\ln \left (\ln \left (x \right )\right )+\ln \left (x^{2}-x -{\mathrm e}^{x}-2\right )\) | \(20\) |
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Time = 0.25 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.68 \[ \int \frac {2+e^x+x-x^2+\left (2+2 x-3 x^2+e^x (1+x)\right ) \log (x)}{\left (2 x+e^x x+x^2-x^3\right ) \log (x)} \, dx=\log \left (-x^{2} + x + e^{x} + 2\right ) + \log \left (x\right ) + \log \left (\log \left (x\right )\right ) \]
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Time = 0.10 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.76 \[ \int \frac {2+e^x+x-x^2+\left (2+2 x-3 x^2+e^x (1+x)\right ) \log (x)}{\left (2 x+e^x x+x^2-x^3\right ) \log (x)} \, dx=\log {\left (x \right )} + \log {\left (- x^{2} + x + e^{x} + 2 \right )} + \log {\left (\log {\left (x \right )} \right )} \]
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Time = 0.25 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.68 \[ \int \frac {2+e^x+x-x^2+\left (2+2 x-3 x^2+e^x (1+x)\right ) \log (x)}{\left (2 x+e^x x+x^2-x^3\right ) \log (x)} \, dx=\log \left (-x^{2} + x + e^{x} + 2\right ) + \log \left (x\right ) + \log \left (\log \left (x\right )\right ) \]
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Time = 0.26 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.68 \[ \int \frac {2+e^x+x-x^2+\left (2+2 x-3 x^2+e^x (1+x)\right ) \log (x)}{\left (2 x+e^x x+x^2-x^3\right ) \log (x)} \, dx=\log \left (-x^{2} + x + e^{x} + 2\right ) + \log \left (x\right ) + \log \left (\log \left (x\right )\right ) \]
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Time = 12.70 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.76 \[ \int \frac {2+e^x+x-x^2+\left (2+2 x-3 x^2+e^x (1+x)\right ) \log (x)}{\left (2 x+e^x x+x^2-x^3\right ) \log (x)} \, dx=\ln \left (\ln \left (x\right )\right )+\ln \left (x^2-{\mathrm {e}}^x-x-2\right )+\ln \left (x\right ) \]
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