Integrand size = 60, antiderivative size = 25 \[ \int \frac {16-4 e^x+\left (-8+e^x (2+4 x)\right ) \log (x)+(2+3 x) \log ^2(x)}{\left (-8 x+2 e^x x\right ) \log (x)+\left (2 x+x^2\right ) \log ^2(x)} \, dx=\log \left (\frac {\left (x^2+\frac {2 x \left (-4+e^x+\log (x)\right )}{\log (x)}\right )^2}{x}\right ) \]
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\[ \int \frac {16-4 e^x+\left (-8+e^x (2+4 x)\right ) \log (x)+(2+3 x) \log ^2(x)}{\left (-8 x+2 e^x x\right ) \log (x)+\left (2 x+x^2\right ) \log ^2(x)} \, dx=\int \frac {16-4 e^x+\left (-8+e^x (2+4 x)\right ) \log (x)+(2+3 x) \log ^2(x)}{\left (-8 x+2 e^x x\right ) \log (x)+\left (2 x+x^2\right ) \log ^2(x)} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \frac {-16+4 e^x-\left (-8+e^x (2+4 x)\right ) \log (x)-(2+3 x) \log ^2(x)}{x \log (x) \left (8-2 e^x-2 \log (x)-x \log (x)\right )} \, dx \\ & = \int \left (\frac {-2+\log (x)+2 x \log (x)}{x \log (x)}-\frac {2 \left (-2-9 x+x \log (x)+x^2 \log (x)\right )}{x \left (-8+2 e^x+2 \log (x)+x \log (x)\right )}\right ) \, dx \\ & = -\left (2 \int \frac {-2-9 x+x \log (x)+x^2 \log (x)}{x \left (-8+2 e^x+2 \log (x)+x \log (x)\right )} \, dx\right )+\int \frac {-2+\log (x)+2 x \log (x)}{x \log (x)} \, dx \\ & = -\left (2 \int \left (-\frac {9}{-8+2 e^x+2 \log (x)+x \log (x)}-\frac {2}{x \left (-8+2 e^x+2 \log (x)+x \log (x)\right )}+\frac {\log (x)}{-8+2 e^x+2 \log (x)+x \log (x)}+\frac {x \log (x)}{-8+2 e^x+2 \log (x)+x \log (x)}\right ) \, dx\right )+\int \left (\frac {1+2 x}{x}-\frac {2}{x \log (x)}\right ) \, dx \\ & = -\left (2 \int \frac {1}{x \log (x)} \, dx\right )-2 \int \frac {\log (x)}{-8+2 e^x+2 \log (x)+x \log (x)} \, dx-2 \int \frac {x \log (x)}{-8+2 e^x+2 \log (x)+x \log (x)} \, dx+4 \int \frac {1}{x \left (-8+2 e^x+2 \log (x)+x \log (x)\right )} \, dx+18 \int \frac {1}{-8+2 e^x+2 \log (x)+x \log (x)} \, dx+\int \frac {1+2 x}{x} \, dx \\ & = -\left (2 \int \frac {\log (x)}{-8+2 e^x+2 \log (x)+x \log (x)} \, dx\right )-2 \int \frac {x \log (x)}{-8+2 e^x+2 \log (x)+x \log (x)} \, dx-2 \text {Subst}\left (\int \frac {1}{x} \, dx,x,\log (x)\right )+4 \int \frac {1}{x \left (-8+2 e^x+2 \log (x)+x \log (x)\right )} \, dx+18 \int \frac {1}{-8+2 e^x+2 \log (x)+x \log (x)} \, dx+\int \left (2+\frac {1}{x}\right ) \, dx \\ & = 2 x+\log (x)-2 \log (\log (x))-2 \int \frac {\log (x)}{-8+2 e^x+2 \log (x)+x \log (x)} \, dx-2 \int \frac {x \log (x)}{-8+2 e^x+2 \log (x)+x \log (x)} \, dx+4 \int \frac {1}{x \left (-8+2 e^x+2 \log (x)+x \log (x)\right )} \, dx+18 \int \frac {1}{-8+2 e^x+2 \log (x)+x \log (x)} \, dx \\ \end{align*}
Time = 1.01 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.08 \[ \int \frac {16-4 e^x+\left (-8+e^x (2+4 x)\right ) \log (x)+(2+3 x) \log ^2(x)}{\left (-8 x+2 e^x x\right ) \log (x)+\left (2 x+x^2\right ) \log ^2(x)} \, dx=\log (x)-2 \log (\log (x))+2 \log \left (8-2 e^x-2 \log (x)-x \log (x)\right ) \]
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Time = 0.07 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.04
method | result | size |
norman | \(\ln \left (x \right )-2 \ln \left (\ln \left (x \right )\right )+2 \ln \left (x \ln \left (x \right )+2 \ln \left (x \right )+2 \,{\mathrm e}^{x}-8\right )\) | \(26\) |
parallelrisch | \(\ln \left (x \right )-2 \ln \left (\ln \left (x \right )\right )+2 \ln \left (x \ln \left (x \right )+2 \ln \left (x \right )+2 \,{\mathrm e}^{x}-8\right )\) | \(26\) |
risch | \(\ln \left (x \right )+2 \ln \left (2+x \right )-2 \ln \left (\ln \left (x \right )\right )+2 \ln \left (\ln \left (x \right )+\frac {2 \,{\mathrm e}^{x}-8}{2+x}\right )\) | \(32\) |
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Time = 0.25 (sec) , antiderivative size = 35, normalized size of antiderivative = 1.40 \[ \int \frac {16-4 e^x+\left (-8+e^x (2+4 x)\right ) \log (x)+(2+3 x) \log ^2(x)}{\left (-8 x+2 e^x x\right ) \log (x)+\left (2 x+x^2\right ) \log ^2(x)} \, dx=2 \, \log \left (x + 2\right ) + \log \left (x\right ) + 2 \, \log \left (\frac {{\left (x + 2\right )} \log \left (x\right ) + 2 \, e^{x} - 8}{x + 2}\right ) - 2 \, \log \left (\log \left (x\right )\right ) \]
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Time = 0.14 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.08 \[ \int \frac {16-4 e^x+\left (-8+e^x (2+4 x)\right ) \log (x)+(2+3 x) \log ^2(x)}{\left (-8 x+2 e^x x\right ) \log (x)+\left (2 x+x^2\right ) \log ^2(x)} \, dx=\log {\left (x \right )} + 2 \log {\left (\frac {x \log {\left (x \right )}}{2} + e^{x} + \log {\left (x \right )} - 4 \right )} - 2 \log {\left (\log {\left (x \right )} \right )} \]
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Time = 0.25 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.88 \[ \int \frac {16-4 e^x+\left (-8+e^x (2+4 x)\right ) \log (x)+(2+3 x) \log ^2(x)}{\left (-8 x+2 e^x x\right ) \log (x)+\left (2 x+x^2\right ) \log ^2(x)} \, dx=2 \, \log \left (\frac {1}{2} \, {\left (x + 2\right )} \log \left (x\right ) + e^{x} - 4\right ) + \log \left (x\right ) - 2 \, \log \left (\log \left (x\right )\right ) \]
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Time = 0.30 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.00 \[ \int \frac {16-4 e^x+\left (-8+e^x (2+4 x)\right ) \log (x)+(2+3 x) \log ^2(x)}{\left (-8 x+2 e^x x\right ) \log (x)+\left (2 x+x^2\right ) \log ^2(x)} \, dx=2 \, \log \left (x \log \left (x\right ) + 2 \, e^{x} + 2 \, \log \left (x\right ) - 8\right ) + \log \left (x\right ) - 2 \, \log \left (\log \left (x\right )\right ) \]
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Time = 8.41 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.00 \[ \int \frac {16-4 e^x+\left (-8+e^x (2+4 x)\right ) \log (x)+(2+3 x) \log ^2(x)}{\left (-8 x+2 e^x x\right ) \log (x)+\left (2 x+x^2\right ) \log ^2(x)} \, dx=2\,\ln \left (2\,{\mathrm {e}}^x+2\,\ln \left (x\right )+x\,\ln \left (x\right )-8\right )-2\,\ln \left (\ln \left (x\right )\right )+\ln \left (x\right ) \]
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