Integrand size = 96, antiderivative size = 23 \[ \int \frac {\left (-10+4 x+e^x \left (50+10 x-32 x^2+8 x^3\right )-10 \log (2 x)\right ) \log \left (\frac {e^x \left (5 x-2 x^2\right )-x \log (2 x)}{-5+2 x}\right )}{e^x \left (25 x-20 x^2+4 x^3\right )+\left (-5 x+2 x^2\right ) \log (2 x)} \, dx=\log ^2\left (x \left (-e^x+\frac {\log (2 x)}{5-2 x}\right )\right ) \]
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\[ \int \frac {\left (-10+4 x+e^x \left (50+10 x-32 x^2+8 x^3\right )-10 \log (2 x)\right ) \log \left (\frac {e^x \left (5 x-2 x^2\right )-x \log (2 x)}{-5+2 x}\right )}{e^x \left (25 x-20 x^2+4 x^3\right )+\left (-5 x+2 x^2\right ) \log (2 x)} \, dx=\int \frac {\left (-10+4 x+e^x \left (50+10 x-32 x^2+8 x^3\right )-10 \log (2 x)\right ) \log \left (\frac {e^x \left (5 x-2 x^2\right )-x \log (2 x)}{-5+2 x}\right )}{e^x \left (25 x-20 x^2+4 x^3\right )+\left (-5 x+2 x^2\right ) \log (2 x)} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \frac {\left (-10+4 x+e^x \left (50+10 x-32 x^2+8 x^3\right )-10 \log (2 x)\right ) \log \left (\frac {e^x \left (5 x-2 x^2\right )-x \log (2 x)}{-5+2 x}\right )}{(5-2 x) x \left (5 e^x-2 e^x x-\log (2 x)\right )} \, dx \\ & = \int \left (\frac {2 (1+x) \log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{x}-\frac {2 \left (5-2 x-3 x \log (2 x)+2 x^2 \log (2 x)\right ) \log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{x (-5+2 x) \left (-5 e^x+2 e^x x+\log (2 x)\right )}\right ) \, dx \\ & = 2 \int \frac {(1+x) \log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{x} \, dx-2 \int \frac {\left (5-2 x-3 x \log (2 x)+2 x^2 \log (2 x)\right ) \log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{x (-5+2 x) \left (-5 e^x+2 e^x x+\log (2 x)\right )} \, dx \\ & = 2 \int \left (\log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )+\frac {\log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{x}\right ) \, dx-2 \int \left (-\frac {\left (5-2 x-3 x \log (2 x)+2 x^2 \log (2 x)\right ) \log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{5 x \left (-5 e^x+2 e^x x+\log (2 x)\right )}+\frac {2 \left (5-2 x-3 x \log (2 x)+2 x^2 \log (2 x)\right ) \log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{5 (-5+2 x) \left (-5 e^x+2 e^x x+\log (2 x)\right )}\right ) \, dx \\ & = \frac {2}{5} \int \frac {\left (5-2 x-3 x \log (2 x)+2 x^2 \log (2 x)\right ) \log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{x \left (-5 e^x+2 e^x x+\log (2 x)\right )} \, dx-\frac {4}{5} \int \frac {\left (5-2 x-3 x \log (2 x)+2 x^2 \log (2 x)\right ) \log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{(-5+2 x) \left (-5 e^x+2 e^x x+\log (2 x)\right )} \, dx+2 \int \log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right ) \, dx+2 \int \frac {\log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{x} \, dx \\ & = \frac {2}{5} \int \left (-\frac {2 \log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{-5 e^x+2 e^x x+\log (2 x)}+\frac {5 \log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{x \left (-5 e^x+2 e^x x+\log (2 x)\right )}-\frac {3 \log (2 x) \log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{-5 e^x+2 e^x x+\log (2 x)}+\frac {2 x \log (2 x) \log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{-5 e^x+2 e^x x+\log (2 x)}\right ) \, dx-\frac {4}{5} \int \left (\frac {5 \log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{(-5+2 x) \left (-5 e^x+2 e^x x+\log (2 x)\right )}-\frac {2 x \log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{(-5+2 x) \left (-5 e^x+2 e^x x+\log (2 x)\right )}-\frac {3 x \log (2 x) \log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{(-5+2 x) \left (-5 e^x+2 e^x x+\log (2 x)\right )}+\frac {2 x^2 \log (2 x) \log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{(-5+2 x) \left (-5 e^x+2 e^x x+\log (2 x)\right )}\right ) \, dx+2 \int \log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right ) \, dx+2 \int \frac {\log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{x} \, dx \\ & = -\left (\frac {4}{5} \int \frac {\log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{-5 e^x+2 e^x x+\log (2 x)} \, dx\right )+\frac {4}{5} \int \frac {x \log (2 x) \log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{-5 e^x+2 e^x x+\log (2 x)} \, dx-\frac {6}{5} \int \frac {\log (2 x) \log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{-5 e^x+2 e^x x+\log (2 x)} \, dx+\frac {8}{5} \int \frac {x \log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{(-5+2 x) \left (-5 e^x+2 e^x x+\log (2 x)\right )} \, dx-\frac {8}{5} \int \frac {x^2 \log (2 x) \log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{(-5+2 x) \left (-5 e^x+2 e^x x+\log (2 x)\right )} \, dx+2 \int \log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right ) \, dx+2 \int \frac {\log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{x} \, dx+2 \int \frac {\log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{x \left (-5 e^x+2 e^x x+\log (2 x)\right )} \, dx+\frac {12}{5} \int \frac {x \log (2 x) \log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{(-5+2 x) \left (-5 e^x+2 e^x x+\log (2 x)\right )} \, dx-4 \int \frac {\log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{(-5+2 x) \left (-5 e^x+2 e^x x+\log (2 x)\right )} \, dx \\ & = -\left (\frac {4}{5} \int \frac {\log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{-5 e^x+2 e^x x+\log (2 x)} \, dx\right )+\frac {4}{5} \int \frac {x \log (2 x) \log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{-5 e^x+2 e^x x+\log (2 x)} \, dx-\frac {6}{5} \int \frac {\log (2 x) \log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{-5 e^x+2 e^x x+\log (2 x)} \, dx+\frac {8}{5} \int \left (\frac {\log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{2 \left (-5 e^x+2 e^x x+\log (2 x)\right )}+\frac {5 \log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{2 (-5+2 x) \left (-5 e^x+2 e^x x+\log (2 x)\right )}\right ) \, dx-\frac {8}{5} \int \left (\frac {5 \log (2 x) \log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{4 \left (-5 e^x+2 e^x x+\log (2 x)\right )}+\frac {x \log (2 x) \log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{2 \left (-5 e^x+2 e^x x+\log (2 x)\right )}+\frac {25 \log (2 x) \log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{4 (-5+2 x) \left (-5 e^x+2 e^x x+\log (2 x)\right )}\right ) \, dx+2 \int \log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right ) \, dx+2 \int \frac {\log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{x} \, dx+2 \int \frac {\log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{x \left (-5 e^x+2 e^x x+\log (2 x)\right )} \, dx+\frac {12}{5} \int \left (\frac {\log (2 x) \log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{2 \left (-5 e^x+2 e^x x+\log (2 x)\right )}+\frac {5 \log (2 x) \log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{2 (-5+2 x) \left (-5 e^x+2 e^x x+\log (2 x)\right )}\right ) \, dx-4 \int \frac {\log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{(-5+2 x) \left (-5 e^x+2 e^x x+\log (2 x)\right )} \, dx \\ & = 2 \int \log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right ) \, dx+2 \int \frac {\log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{x} \, dx+2 \int \frac {\log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{x \left (-5 e^x+2 e^x x+\log (2 x)\right )} \, dx-2 \int \frac {\log (2 x) \log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{-5 e^x+2 e^x x+\log (2 x)} \, dx+6 \int \frac {\log (2 x) \log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{(-5+2 x) \left (-5 e^x+2 e^x x+\log (2 x)\right )} \, dx-10 \int \frac {\log (2 x) \log \left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right )}{(-5+2 x) \left (-5 e^x+2 e^x x+\log (2 x)\right )} \, dx \\ \end{align*}
Time = 0.50 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.04 \[ \int \frac {\left (-10+4 x+e^x \left (50+10 x-32 x^2+8 x^3\right )-10 \log (2 x)\right ) \log \left (\frac {e^x \left (5 x-2 x^2\right )-x \log (2 x)}{-5+2 x}\right )}{e^x \left (25 x-20 x^2+4 x^3\right )+\left (-5 x+2 x^2\right ) \log (2 x)} \, dx=\log ^2\left (-e^x x-\frac {x \log (2 x)}{-5+2 x}\right ) \]
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Time = 41.41 (sec) , antiderivative size = 32, normalized size of antiderivative = 1.39
method | result | size |
parallelrisch | \({\ln \left (\frac {-x \ln \left (2 x \right )+\left (-2 x^{2}+5 x \right ) {\mathrm e}^{x}}{-5+2 x}\right )}^{2}\) | \(32\) |
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Time = 0.31 (sec) , antiderivative size = 31, normalized size of antiderivative = 1.35 \[ \int \frac {\left (-10+4 x+e^x \left (50+10 x-32 x^2+8 x^3\right )-10 \log (2 x)\right ) \log \left (\frac {e^x \left (5 x-2 x^2\right )-x \log (2 x)}{-5+2 x}\right )}{e^x \left (25 x-20 x^2+4 x^3\right )+\left (-5 x+2 x^2\right ) \log (2 x)} \, dx=\log \left (-\frac {{\left (2 \, x^{2} - 5 \, x\right )} e^{x} + x \log \left (2 \, x\right )}{2 \, x - 5}\right )^{2} \]
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Time = 0.85 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.13 \[ \int \frac {\left (-10+4 x+e^x \left (50+10 x-32 x^2+8 x^3\right )-10 \log (2 x)\right ) \log \left (\frac {e^x \left (5 x-2 x^2\right )-x \log (2 x)}{-5+2 x}\right )}{e^x \left (25 x-20 x^2+4 x^3\right )+\left (-5 x+2 x^2\right ) \log (2 x)} \, dx=\log {\left (\frac {- x \log {\left (2 x \right )} + \left (- 2 x^{2} + 5 x\right ) e^{x}}{2 x - 5} \right )}^{2} \]
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\[ \int \frac {\left (-10+4 x+e^x \left (50+10 x-32 x^2+8 x^3\right )-10 \log (2 x)\right ) \log \left (\frac {e^x \left (5 x-2 x^2\right )-x \log (2 x)}{-5+2 x}\right )}{e^x \left (25 x-20 x^2+4 x^3\right )+\left (-5 x+2 x^2\right ) \log (2 x)} \, dx=\int { \frac {2 \, {\left ({\left (4 \, x^{3} - 16 \, x^{2} + 5 \, x + 25\right )} e^{x} + 2 \, x - 5 \, \log \left (2 \, x\right ) - 5\right )} \log \left (-\frac {{\left (2 \, x^{2} - 5 \, x\right )} e^{x} + x \log \left (2 \, x\right )}{2 \, x - 5}\right )}{{\left (4 \, x^{3} - 20 \, x^{2} + 25 \, x\right )} e^{x} + {\left (2 \, x^{2} - 5 \, x\right )} \log \left (2 \, x\right )} \,d x } \]
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\[ \int \frac {\left (-10+4 x+e^x \left (50+10 x-32 x^2+8 x^3\right )-10 \log (2 x)\right ) \log \left (\frac {e^x \left (5 x-2 x^2\right )-x \log (2 x)}{-5+2 x}\right )}{e^x \left (25 x-20 x^2+4 x^3\right )+\left (-5 x+2 x^2\right ) \log (2 x)} \, dx=\int { \frac {2 \, {\left ({\left (4 \, x^{3} - 16 \, x^{2} + 5 \, x + 25\right )} e^{x} + 2 \, x - 5 \, \log \left (2 \, x\right ) - 5\right )} \log \left (-\frac {{\left (2 \, x^{2} - 5 \, x\right )} e^{x} + x \log \left (2 \, x\right )}{2 \, x - 5}\right )}{{\left (4 \, x^{3} - 20 \, x^{2} + 25 \, x\right )} e^{x} + {\left (2 \, x^{2} - 5 \, x\right )} \log \left (2 \, x\right )} \,d x } \]
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Time = 15.33 (sec) , antiderivative size = 32, normalized size of antiderivative = 1.39 \[ \int \frac {\left (-10+4 x+e^x \left (50+10 x-32 x^2+8 x^3\right )-10 \log (2 x)\right ) \log \left (\frac {e^x \left (5 x-2 x^2\right )-x \log (2 x)}{-5+2 x}\right )}{e^x \left (25 x-20 x^2+4 x^3\right )+\left (-5 x+2 x^2\right ) \log (2 x)} \, dx={\ln \left (-\frac {x\,\ln \left (2\,x\right )-{\mathrm {e}}^x\,\left (5\,x-2\,x^2\right )}{2\,x-5}\right )}^2 \]
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