Integrand size = 59, antiderivative size = 23 \[ \int \frac {\left (-20+12 x+(4-2 x) \log \left (e^{8+x}\right )\right ) \log \left (\frac {1}{5} e^{-x} \left (-10 x^2+2 x^2 \log \left (e^{8+x}\right )\right )\right )}{-5 x+x \log \left (e^{8+x}\right )} \, dx=\log ^2\left (\frac {2}{5} e^{-x} x^2 \left (-5+\log \left (e^{8+x}\right )\right )\right ) \]
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\[ \int \frac {\left (-20+12 x+(4-2 x) \log \left (e^{8+x}\right )\right ) \log \left (\frac {1}{5} e^{-x} \left (-10 x^2+2 x^2 \log \left (e^{8+x}\right )\right )\right )}{-5 x+x \log \left (e^{8+x}\right )} \, dx=\int \frac {\left (-20+12 x+(4-2 x) \log \left (e^{8+x}\right )\right ) \log \left (\frac {1}{5} e^{-x} \left (-10 x^2+2 x^2 \log \left (e^{8+x}\right )\right )\right )}{-5 x+x \log \left (e^{8+x}\right )} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \frac {\left (20-12 x-(4-2 x) \log \left (e^{8+x}\right )\right ) \log \left (\frac {2}{5} e^{-x} x^2 \left (-5+\log \left (e^{8+x}\right )\right )\right )}{5 x-x \log \left (e^{8+x}\right )} \, dx \\ & = \int \left (\frac {12 \log \left (\frac {2}{5} e^{-x} x^2 \left (-5+\log \left (e^{8+x}\right )\right )\right )}{-5+\log \left (e^{8+x}\right )}-\frac {20 \log \left (\frac {2}{5} e^{-x} x^2 \left (-5+\log \left (e^{8+x}\right )\right )\right )}{x \left (-5+\log \left (e^{8+x}\right )\right )}-\frac {2 \log \left (e^{8+x}\right ) \log \left (\frac {2}{5} e^{-x} x^2 \left (-5+\log \left (e^{8+x}\right )\right )\right )}{-5+\log \left (e^{8+x}\right )}+\frac {4 \log \left (e^{8+x}\right ) \log \left (\frac {2}{5} e^{-x} x^2 \left (-5+\log \left (e^{8+x}\right )\right )\right )}{x \left (-5+\log \left (e^{8+x}\right )\right )}\right ) \, dx \\ & = -\left (2 \int \frac {\log \left (e^{8+x}\right ) \log \left (\frac {2}{5} e^{-x} x^2 \left (-5+\log \left (e^{8+x}\right )\right )\right )}{-5+\log \left (e^{8+x}\right )} \, dx\right )+4 \int \frac {\log \left (e^{8+x}\right ) \log \left (\frac {2}{5} e^{-x} x^2 \left (-5+\log \left (e^{8+x}\right )\right )\right )}{x \left (-5+\log \left (e^{8+x}\right )\right )} \, dx+12 \int \frac {\log \left (\frac {2}{5} e^{-x} x^2 \left (-5+\log \left (e^{8+x}\right )\right )\right )}{-5+\log \left (e^{8+x}\right )} \, dx-20 \int \frac {\log \left (\frac {2}{5} e^{-x} x^2 \left (-5+\log \left (e^{8+x}\right )\right )\right )}{x \left (-5+\log \left (e^{8+x}\right )\right )} \, dx \\ \end{align*}
Time = 0.10 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.00 \[ \int \frac {\left (-20+12 x+(4-2 x) \log \left (e^{8+x}\right )\right ) \log \left (\frac {1}{5} e^{-x} \left (-10 x^2+2 x^2 \log \left (e^{8+x}\right )\right )\right )}{-5 x+x \log \left (e^{8+x}\right )} \, dx=\log ^2\left (\frac {2}{5} e^{-x} x^2 \left (-5+\log \left (e^{8+x}\right )\right )\right ) \]
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Time = 0.56 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.00
method | result | size |
parallelrisch | \({\ln \left (\frac {2 \left (\ln \left ({\mathrm e}^{3} {\mathrm e}^{5+x}\right )-5\right ) x^{2} {\mathrm e}^{-x}}{5}\right )}^{2}\) | \(23\) |
default | \(4 \ln \left (\frac {\left (2 x^{2} \ln \left ({\mathrm e}^{3} {\mathrm e}^{5+x}\right )-10 x^{2}\right ) {\mathrm e}^{-x}}{5}\right ) \ln \left (x \right )+2 \ln \left (\frac {\left (2 x^{2} \ln \left ({\mathrm e}^{3} {\mathrm e}^{5+x}\right )-10 x^{2}\right ) {\mathrm e}^{-x}}{5}\right ) \ln \left (\ln \left ({\mathrm e}^{3} {\mathrm e}^{5+x}\right )-5\right )-2 \ln \left (\frac {\left (2 x^{2} \ln \left ({\mathrm e}^{3} {\mathrm e}^{5+x}\right )-10 x^{2}\right ) {\mathrm e}^{-x}}{5}\right ) x -x^{2}-2 \left (\ln \left ({\mathrm e}^{3} {\mathrm e}^{5+x}\right )-5-x \right ) \ln \left (\ln \left ({\mathrm e}^{3} {\mathrm e}^{5+x}\right )-5\right )+4 x \ln \left (x \right )-4 \ln \left (x \right )^{2}-4 \operatorname {dilog}\left (\frac {\ln \left ({\mathrm e}^{3} {\mathrm e}^{5+x}\right )-5}{\ln \left ({\mathrm e}^{3} {\mathrm e}^{5+x}\right )-5-x}\right )-4 \ln \left (x \right ) \ln \left (\frac {\ln \left ({\mathrm e}^{3} {\mathrm e}^{5+x}\right )-5}{\ln \left ({\mathrm e}^{3} {\mathrm e}^{5+x}\right )-5-x}\right )+2 \left (\ln \left ({\mathrm e}^{3} {\mathrm e}^{5+x}\right )-5\right ) \ln \left (\ln \left ({\mathrm e}^{3} {\mathrm e}^{5+x}\right )-5\right )-2 \ln \left ({\mathrm e}^{3} {\mathrm e}^{5+x}\right )+10+2 x -{\ln \left (\ln \left ({\mathrm e}^{3} {\mathrm e}^{5+x}\right )-5\right )}^{2}-4 \operatorname {dilog}\left (-\frac {x}{\ln \left ({\mathrm e}^{3} {\mathrm e}^{5+x}\right )-5-x}\right )-4 \ln \left (\ln \left ({\mathrm e}^{3} {\mathrm e}^{5+x}\right )-5\right ) \ln \left (-\frac {x}{\ln \left ({\mathrm e}^{3} {\mathrm e}^{5+x}\right )-5-x}\right )\) | \(307\) |
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Time = 0.25 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.78 \[ \int \frac {\left (-20+12 x+(4-2 x) \log \left (e^{8+x}\right )\right ) \log \left (\frac {1}{5} e^{-x} \left (-10 x^2+2 x^2 \log \left (e^{8+x}\right )\right )\right )}{-5 x+x \log \left (e^{8+x}\right )} \, dx=\log \left (\frac {2}{5} \, {\left (x^{3} + 3 \, x^{2}\right )} e^{\left (-x\right )}\right )^{2} \]
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Timed out. \[ \int \frac {\left (-20+12 x+(4-2 x) \log \left (e^{8+x}\right )\right ) \log \left (\frac {1}{5} e^{-x} \left (-10 x^2+2 x^2 \log \left (e^{8+x}\right )\right )\right )}{-5 x+x \log \left (e^{8+x}\right )} \, dx=\text {Timed out} \]
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Leaf count of result is larger than twice the leaf count of optimal. 78 vs. \(2 (19) = 38\).
Time = 0.23 (sec) , antiderivative size = 78, normalized size of antiderivative = 3.39 \[ \int \frac {\left (-20+12 x+(4-2 x) \log \left (e^{8+x}\right )\right ) \log \left (\frac {1}{5} e^{-x} \left (-10 x^2+2 x^2 \log \left (e^{8+x}\right )\right )\right )}{-5 x+x \log \left (e^{8+x}\right )} \, dx=-x^{2} - 2 \, {\left (x - \log \left (x + 3\right ) - 2 \, \log \left (x\right )\right )} \log \left (\frac {2}{5} \, {\left ({\left (x + 8\right )} x^{2} - 5 \, x^{2}\right )} e^{\left (-x\right )}\right ) + 2 \, {\left (x - 2 \, \log \left (x\right ) + 3\right )} \log \left (x + 3\right ) - \log \left (x + 3\right )^{2} + 4 \, x \log \left (x\right ) - 4 \, \log \left (x\right )^{2} - 6 \, \log \left (x + 3\right ) \]
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Time = 0.28 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.96 \[ \int \frac {\left (-20+12 x+(4-2 x) \log \left (e^{8+x}\right )\right ) \log \left (\frac {1}{5} e^{-x} \left (-10 x^2+2 x^2 \log \left (e^{8+x}\right )\right )\right )}{-5 x+x \log \left (e^{8+x}\right )} \, dx=\log \left (\frac {2}{5} \, x^{3} e^{\left (-x\right )} + \frac {6}{5} \, x^{2} e^{\left (-x\right )}\right )^{2} \]
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Time = 18.07 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.91 \[ \int \frac {\left (-20+12 x+(4-2 x) \log \left (e^{8+x}\right )\right ) \log \left (\frac {1}{5} e^{-x} \left (-10 x^2+2 x^2 \log \left (e^{8+x}\right )\right )\right )}{-5 x+x \log \left (e^{8+x}\right )} \, dx={\left (x-\ln \left (\frac {2\,x^2\,\left (x+8\right )}{5}-2\,x^2\right )\right )}^2 \]
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