Integrand size = 74, antiderivative size = 21 \[ \int \frac {-8+2 x^4-4 x^4 \log \left (x^2\right ) \log \left (\log \left (x^2\right )\right )+5 x \log \left (x^2\right ) \log ^2\left (\log \left (x^2\right )\right )}{\left (4 x-x^5\right ) \log \left (x^2\right ) \log \left (\log \left (x^2\right )\right )+5 x^2 \log \left (x^2\right ) \log ^2\left (\log \left (x^2\right )\right )} \, dx=\log \left (-x+\frac {-4+x^4}{5 \log \left (\log \left (x^2\right )\right )}\right ) \]
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\[ \int \frac {-8+2 x^4-4 x^4 \log \left (x^2\right ) \log \left (\log \left (x^2\right )\right )+5 x \log \left (x^2\right ) \log ^2\left (\log \left (x^2\right )\right )}{\left (4 x-x^5\right ) \log \left (x^2\right ) \log \left (\log \left (x^2\right )\right )+5 x^2 \log \left (x^2\right ) \log ^2\left (\log \left (x^2\right )\right )} \, dx=\int \frac {-8+2 x^4-4 x^4 \log \left (x^2\right ) \log \left (\log \left (x^2\right )\right )+5 x \log \left (x^2\right ) \log ^2\left (\log \left (x^2\right )\right )}{\left (4 x-x^5\right ) \log \left (x^2\right ) \log \left (\log \left (x^2\right )\right )+5 x^2 \log \left (x^2\right ) \log ^2\left (\log \left (x^2\right )\right )} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \frac {-8+2 x^4-4 x^4 \log \left (x^2\right ) \log \left (\log \left (x^2\right )\right )+5 x \log \left (x^2\right ) \log ^2\left (\log \left (x^2\right )\right )}{x \log \left (x^2\right ) \log \left (\log \left (x^2\right )\right ) \left (4-x^4+5 x \log \left (\log \left (x^2\right )\right )\right )} \, dx \\ & = \int \left (\frac {1}{x}-\frac {2}{x \log \left (x^2\right ) \log \left (\log \left (x^2\right )\right )}+\frac {-10 x+4 \log \left (x^2\right )+3 x^4 \log \left (x^2\right )}{x \log \left (x^2\right ) \left (-4+x^4-5 x \log \left (\log \left (x^2\right )\right )\right )}\right ) \, dx \\ & = \log (x)-2 \int \frac {1}{x \log \left (x^2\right ) \log \left (\log \left (x^2\right )\right )} \, dx+\int \frac {-10 x+4 \log \left (x^2\right )+3 x^4 \log \left (x^2\right )}{x \log \left (x^2\right ) \left (-4+x^4-5 x \log \left (\log \left (x^2\right )\right )\right )} \, dx \\ & = \log (x)+\int \left (\frac {4}{x \left (-4+x^4-5 x \log \left (\log \left (x^2\right )\right )\right )}+\frac {3 x^3}{-4+x^4-5 x \log \left (\log \left (x^2\right )\right )}-\frac {10}{\log \left (x^2\right ) \left (-4+x^4-5 x \log \left (\log \left (x^2\right )\right )\right )}\right ) \, dx-\text {Subst}\left (\int \frac {1}{x \log (x)} \, dx,x,\log \left (x^2\right )\right ) \\ & = \log (x)+3 \int \frac {x^3}{-4+x^4-5 x \log \left (\log \left (x^2\right )\right )} \, dx+4 \int \frac {1}{x \left (-4+x^4-5 x \log \left (\log \left (x^2\right )\right )\right )} \, dx-10 \int \frac {1}{\log \left (x^2\right ) \left (-4+x^4-5 x \log \left (\log \left (x^2\right )\right )\right )} \, dx-\text {Subst}\left (\int \frac {1}{x} \, dx,x,\log \left (\log \left (x^2\right )\right )\right ) \\ & = \log (x)-\log \left (\log \left (\log \left (x^2\right )\right )\right )+3 \int \frac {x^3}{-4+x^4-5 x \log \left (\log \left (x^2\right )\right )} \, dx+4 \int \frac {1}{x \left (-4+x^4-5 x \log \left (\log \left (x^2\right )\right )\right )} \, dx-10 \int \frac {1}{\log \left (x^2\right ) \left (-4+x^4-5 x \log \left (\log \left (x^2\right )\right )\right )} \, dx \\ \end{align*}
Time = 0.20 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.19 \[ \int \frac {-8+2 x^4-4 x^4 \log \left (x^2\right ) \log \left (\log \left (x^2\right )\right )+5 x \log \left (x^2\right ) \log ^2\left (\log \left (x^2\right )\right )}{\left (4 x-x^5\right ) \log \left (x^2\right ) \log \left (\log \left (x^2\right )\right )+5 x^2 \log \left (x^2\right ) \log ^2\left (\log \left (x^2\right )\right )} \, dx=-\log \left (\log \left (\log \left (x^2\right )\right )\right )+\log \left (4-x^4+5 x \log \left (\log \left (x^2\right )\right )\right ) \]
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Time = 1.31 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.14
method | result | size |
parallelrisch | \(-\ln \left (\ln \left (\ln \left (x^{2}\right )\right )\right )+\ln \left (x^{4}-5 x \ln \left (\ln \left (x^{2}\right )\right )-4\right )\) | \(24\) |
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Time = 0.25 (sec) , antiderivative size = 34, normalized size of antiderivative = 1.62 \[ \int \frac {-8+2 x^4-4 x^4 \log \left (x^2\right ) \log \left (\log \left (x^2\right )\right )+5 x \log \left (x^2\right ) \log ^2\left (\log \left (x^2\right )\right )}{\left (4 x-x^5\right ) \log \left (x^2\right ) \log \left (\log \left (x^2\right )\right )+5 x^2 \log \left (x^2\right ) \log ^2\left (\log \left (x^2\right )\right )} \, dx=\frac {1}{2} \, \log \left (x^{2}\right ) + \log \left (-\frac {x^{4} - 5 \, x \log \left (\log \left (x^{2}\right )\right ) - 4}{x}\right ) - \log \left (\log \left (\log \left (x^{2}\right )\right )\right ) \]
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Time = 0.27 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.38 \[ \int \frac {-8+2 x^4-4 x^4 \log \left (x^2\right ) \log \left (\log \left (x^2\right )\right )+5 x \log \left (x^2\right ) \log ^2\left (\log \left (x^2\right )\right )}{\left (4 x-x^5\right ) \log \left (x^2\right ) \log \left (\log \left (x^2\right )\right )+5 x^2 \log \left (x^2\right ) \log ^2\left (\log \left (x^2\right )\right )} \, dx=\log {\left (x \right )} + \log {\left (\log {\left (\log {\left (x^{2} \right )} \right )} + \frac {8 - 2 x^{4}}{10 x} \right )} - \log {\left (\log {\left (\log {\left (x^{2} \right )} \right )} \right )} \]
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Time = 0.33 (sec) , antiderivative size = 34, normalized size of antiderivative = 1.62 \[ \int \frac {-8+2 x^4-4 x^4 \log \left (x^2\right ) \log \left (\log \left (x^2\right )\right )+5 x \log \left (x^2\right ) \log ^2\left (\log \left (x^2\right )\right )}{\left (4 x-x^5\right ) \log \left (x^2\right ) \log \left (\log \left (x^2\right )\right )+5 x^2 \log \left (x^2\right ) \log ^2\left (\log \left (x^2\right )\right )} \, dx=\log \left (x\right ) + \log \left (-\frac {x^{4} - 5 \, x \log \left (2\right ) - 5 \, x \log \left (\log \left (x\right )\right ) - 4}{5 \, x}\right ) - \log \left (\log \left (2\right ) + \log \left (\log \left (x\right )\right )\right ) \]
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Time = 0.33 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.19 \[ \int \frac {-8+2 x^4-4 x^4 \log \left (x^2\right ) \log \left (\log \left (x^2\right )\right )+5 x \log \left (x^2\right ) \log ^2\left (\log \left (x^2\right )\right )}{\left (4 x-x^5\right ) \log \left (x^2\right ) \log \left (\log \left (x^2\right )\right )+5 x^2 \log \left (x^2\right ) \log ^2\left (\log \left (x^2\right )\right )} \, dx=\log \left (-x^{4} + 5 \, x \log \left (\log \left (x^{2}\right )\right ) + 4\right ) - \log \left (\log \left (\log \left (x^{2}\right )\right )\right ) \]
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Time = 12.63 (sec) , antiderivative size = 78, normalized size of antiderivative = 3.71 \[ \int \frac {-8+2 x^4-4 x^4 \log \left (x^2\right ) \log \left (\log \left (x^2\right )\right )+5 x \log \left (x^2\right ) \log ^2\left (\log \left (x^2\right )\right )}{\left (4 x-x^5\right ) \log \left (x^2\right ) \log \left (\log \left (x^2\right )\right )+5 x^2 \log \left (x^2\right ) \log ^2\left (\log \left (x^2\right )\right )} \, dx=\ln \left (\frac {20\,x\,\ln \left (\ln \left (x^2\right )\right )-4\,x^4+16}{\ln \left (x^2\right )}\right )-\ln \left (\frac {\ln \left (\ln \left (x^2\right )\right )\,\left (4\,\ln \left (x^2\right )-10\,x+3\,x^4\,\ln \left (x^2\right )\right )}{\ln \left (x^2\right )}\right )+\ln \left (4\,\ln \left (x^2\right )-10\,x+3\,x^4\,\ln \left (x^2\right )\right ) \]
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