Integrand size = 95, antiderivative size = 24 \[ \int \frac {-4 x \log (x)+\left (e^2+x\right ) \log \left (\frac {3}{e^4+2 e^2 x+x^2}\right )}{\left (e^2 x+x^2\right ) \log (x) \log \left (\frac {3}{e^4+2 e^2 x+x^2}\right ) \log \left (\frac {1}{5} \log (x) \log ^2\left (\frac {3}{e^4+2 e^2 x+x^2}\right )\right )} \, dx=3+\log \left (2 \log \left (\frac {1}{5} \log (x) \log ^2\left (\frac {3}{\left (e^2+x\right )^2}\right )\right )\right ) \]
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\[ \int \frac {-4 x \log (x)+\left (e^2+x\right ) \log \left (\frac {3}{e^4+2 e^2 x+x^2}\right )}{\left (e^2 x+x^2\right ) \log (x) \log \left (\frac {3}{e^4+2 e^2 x+x^2}\right ) \log \left (\frac {1}{5} \log (x) \log ^2\left (\frac {3}{e^4+2 e^2 x+x^2}\right )\right )} \, dx=\int \frac {-4 x \log (x)+\left (e^2+x\right ) \log \left (\frac {3}{e^4+2 e^2 x+x^2}\right )}{\left (e^2 x+x^2\right ) \log (x) \log \left (\frac {3}{e^4+2 e^2 x+x^2}\right ) \log \left (\frac {1}{5} \log (x) \log ^2\left (\frac {3}{e^4+2 e^2 x+x^2}\right )\right )} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \frac {-4 x \log (x)+\left (e^2+x\right ) \log \left (\frac {3}{e^4+2 e^2 x+x^2}\right )}{x \left (e^2+x\right ) \log (x) \log \left (\frac {3}{e^4+2 e^2 x+x^2}\right ) \log \left (\frac {1}{5} \log (x) \log ^2\left (\frac {3}{e^4+2 e^2 x+x^2}\right )\right )} \, dx \\ & = \int \frac {-4 x \log (x)+\left (e^2+x\right ) \log \left (\frac {3}{\left (e^2+x\right )^2}\right )}{x \left (e^2+x\right ) \log (x) \log \left (\frac {3}{\left (e^2+x\right )^2}\right ) \log \left (\frac {1}{5} \log (x) \log ^2\left (\frac {3}{\left (e^2+x\right )^2}\right )\right )} \, dx \\ & = \int \left (\frac {4 x \log (x)-e^2 \log \left (\frac {3}{\left (e^2+x\right )^2}\right )-x \log \left (\frac {3}{\left (e^2+x\right )^2}\right )}{e^2 \left (e^2+x\right ) \log (x) \log \left (\frac {3}{\left (e^2+x\right )^2}\right ) \log \left (\frac {1}{5} \log (x) \log ^2\left (\frac {3}{\left (e^2+x\right )^2}\right )\right )}+\frac {-4 x \log (x)+e^2 \log \left (\frac {3}{\left (e^2+x\right )^2}\right )+x \log \left (\frac {3}{\left (e^2+x\right )^2}\right )}{e^2 x \log (x) \log \left (\frac {3}{\left (e^2+x\right )^2}\right ) \log \left (\frac {1}{5} \log (x) \log ^2\left (\frac {3}{\left (e^2+x\right )^2}\right )\right )}\right ) \, dx \\ & = \frac {\int \frac {4 x \log (x)-e^2 \log \left (\frac {3}{\left (e^2+x\right )^2}\right )-x \log \left (\frac {3}{\left (e^2+x\right )^2}\right )}{\left (e^2+x\right ) \log (x) \log \left (\frac {3}{\left (e^2+x\right )^2}\right ) \log \left (\frac {1}{5} \log (x) \log ^2\left (\frac {3}{\left (e^2+x\right )^2}\right )\right )} \, dx}{e^2}+\frac {\int \frac {-4 x \log (x)+e^2 \log \left (\frac {3}{\left (e^2+x\right )^2}\right )+x \log \left (\frac {3}{\left (e^2+x\right )^2}\right )}{x \log (x) \log \left (\frac {3}{\left (e^2+x\right )^2}\right ) \log \left (\frac {1}{5} \log (x) \log ^2\left (\frac {3}{\left (e^2+x\right )^2}\right )\right )} \, dx}{e^2} \\ & = \frac {\int \frac {4 x \log (x)-\left (e^2+x\right ) \log \left (\frac {3}{\left (e^2+x\right )^2}\right )}{\left (e^2+x\right ) \log (x) \log \left (\frac {3}{\left (e^2+x\right )^2}\right ) \log \left (\frac {1}{5} \log (x) \log ^2\left (\frac {3}{\left (e^2+x\right )^2}\right )\right )} \, dx}{e^2}+\frac {\int \frac {-4 x \log (x)+\left (e^2+x\right ) \log \left (\frac {3}{\left (e^2+x\right )^2}\right )}{x \log (x) \log \left (\frac {3}{\left (e^2+x\right )^2}\right ) \log \left (\frac {1}{5} \log (x) \log ^2\left (\frac {3}{\left (e^2+x\right )^2}\right )\right )} \, dx}{e^2} \\ & = \frac {\int \left (\frac {1}{\log (x) \log \left (\frac {1}{5} \log (x) \log ^2\left (\frac {3}{\left (e^2+x\right )^2}\right )\right )}+\frac {e^2}{x \log (x) \log \left (\frac {1}{5} \log (x) \log ^2\left (\frac {3}{\left (e^2+x\right )^2}\right )\right )}-\frac {4}{\log \left (\frac {3}{\left (e^2+x\right )^2}\right ) \log \left (\frac {1}{5} \log (x) \log ^2\left (\frac {3}{\left (e^2+x\right )^2}\right )\right )}\right ) \, dx}{e^2}+\frac {\int \left (-\frac {e^2}{\left (e^2+x\right ) \log (x) \log \left (\frac {1}{5} \log (x) \log ^2\left (\frac {3}{\left (e^2+x\right )^2}\right )\right )}-\frac {x}{\left (e^2+x\right ) \log (x) \log \left (\frac {1}{5} \log (x) \log ^2\left (\frac {3}{\left (e^2+x\right )^2}\right )\right )}+\frac {4 x}{\left (e^2+x\right ) \log \left (\frac {3}{\left (e^2+x\right )^2}\right ) \log \left (\frac {1}{5} \log (x) \log ^2\left (\frac {3}{\left (e^2+x\right )^2}\right )\right )}\right ) \, dx}{e^2} \\ & = \frac {\int \frac {1}{\log (x) \log \left (\frac {1}{5} \log (x) \log ^2\left (\frac {3}{\left (e^2+x\right )^2}\right )\right )} \, dx}{e^2}-\frac {\int \frac {x}{\left (e^2+x\right ) \log (x) \log \left (\frac {1}{5} \log (x) \log ^2\left (\frac {3}{\left (e^2+x\right )^2}\right )\right )} \, dx}{e^2}-\frac {4 \int \frac {1}{\log \left (\frac {3}{\left (e^2+x\right )^2}\right ) \log \left (\frac {1}{5} \log (x) \log ^2\left (\frac {3}{\left (e^2+x\right )^2}\right )\right )} \, dx}{e^2}+\frac {4 \int \frac {x}{\left (e^2+x\right ) \log \left (\frac {3}{\left (e^2+x\right )^2}\right ) \log \left (\frac {1}{5} \log (x) \log ^2\left (\frac {3}{\left (e^2+x\right )^2}\right )\right )} \, dx}{e^2}+\int \frac {1}{x \log (x) \log \left (\frac {1}{5} \log (x) \log ^2\left (\frac {3}{\left (e^2+x\right )^2}\right )\right )} \, dx-\int \frac {1}{\left (e^2+x\right ) \log (x) \log \left (\frac {1}{5} \log (x) \log ^2\left (\frac {3}{\left (e^2+x\right )^2}\right )\right )} \, dx \\ & = -\frac {\int \left (\frac {1}{\log (x) \log \left (\frac {1}{5} \log (x) \log ^2\left (\frac {3}{\left (e^2+x\right )^2}\right )\right )}-\frac {e^2}{\left (e^2+x\right ) \log (x) \log \left (\frac {1}{5} \log (x) \log ^2\left (\frac {3}{\left (e^2+x\right )^2}\right )\right )}\right ) \, dx}{e^2}+\frac {\int \frac {1}{\log (x) \log \left (\frac {1}{5} \log (x) \log ^2\left (\frac {3}{\left (e^2+x\right )^2}\right )\right )} \, dx}{e^2}+\frac {4 \int \left (\frac {1}{\log \left (\frac {3}{\left (e^2+x\right )^2}\right ) \log \left (\frac {1}{5} \log (x) \log ^2\left (\frac {3}{\left (e^2+x\right )^2}\right )\right )}-\frac {e^2}{\left (e^2+x\right ) \log \left (\frac {3}{\left (e^2+x\right )^2}\right ) \log \left (\frac {1}{5} \log (x) \log ^2\left (\frac {3}{\left (e^2+x\right )^2}\right )\right )}\right ) \, dx}{e^2}-\frac {4 \int \frac {1}{\log \left (\frac {3}{\left (e^2+x\right )^2}\right ) \log \left (\frac {1}{5} \log (x) \log ^2\left (\frac {3}{\left (e^2+x\right )^2}\right )\right )} \, dx}{e^2}+\int \frac {1}{x \log (x) \log \left (\frac {1}{5} \log (x) \log ^2\left (\frac {3}{\left (e^2+x\right )^2}\right )\right )} \, dx-\int \frac {1}{\left (e^2+x\right ) \log (x) \log \left (\frac {1}{5} \log (x) \log ^2\left (\frac {3}{\left (e^2+x\right )^2}\right )\right )} \, dx \\ & = -\left (4 \int \frac {1}{\left (e^2+x\right ) \log \left (\frac {3}{\left (e^2+x\right )^2}\right ) \log \left (\frac {1}{5} \log (x) \log ^2\left (\frac {3}{\left (e^2+x\right )^2}\right )\right )} \, dx\right )+\int \frac {1}{x \log (x) \log \left (\frac {1}{5} \log (x) \log ^2\left (\frac {3}{\left (e^2+x\right )^2}\right )\right )} \, dx \\ \end{align*}
Time = 0.28 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.83 \[ \int \frac {-4 x \log (x)+\left (e^2+x\right ) \log \left (\frac {3}{e^4+2 e^2 x+x^2}\right )}{\left (e^2 x+x^2\right ) \log (x) \log \left (\frac {3}{e^4+2 e^2 x+x^2}\right ) \log \left (\frac {1}{5} \log (x) \log ^2\left (\frac {3}{e^4+2 e^2 x+x^2}\right )\right )} \, dx=\log \left (\log \left (\frac {1}{5} \log (x) \log ^2\left (\frac {3}{\left (e^2+x\right )^2}\right )\right )\right ) \]
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Time = 94.45 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.12
method | result | size |
parallelrisch | \(\ln \left (\ln \left (\frac {\ln \left (\frac {3}{2 \,{\mathrm e}^{2} x +x^{2}+{\mathrm e}^{4}}\right )^{2} \ln \left (x \right )}{5}\right )\right )\) | \(27\) |
risch | \(\text {Expression too large to display}\) | \(1123\) |
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Time = 0.27 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.00 \[ \int \frac {-4 x \log (x)+\left (e^2+x\right ) \log \left (\frac {3}{e^4+2 e^2 x+x^2}\right )}{\left (e^2 x+x^2\right ) \log (x) \log \left (\frac {3}{e^4+2 e^2 x+x^2}\right ) \log \left (\frac {1}{5} \log (x) \log ^2\left (\frac {3}{e^4+2 e^2 x+x^2}\right )\right )} \, dx=\log \left (\log \left (\frac {1}{5} \, \log \left (x\right ) \log \left (\frac {3}{x^{2} + 2 \, x e^{2} + e^{4}}\right )^{2}\right )\right ) \]
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Time = 0.45 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.08 \[ \int \frac {-4 x \log (x)+\left (e^2+x\right ) \log \left (\frac {3}{e^4+2 e^2 x+x^2}\right )}{\left (e^2 x+x^2\right ) \log (x) \log \left (\frac {3}{e^4+2 e^2 x+x^2}\right ) \log \left (\frac {1}{5} \log (x) \log ^2\left (\frac {3}{e^4+2 e^2 x+x^2}\right )\right )} \, dx=\log {\left (\log {\left (\frac {\log {\left (x \right )} \log {\left (\frac {3}{x^{2} + 2 x e^{2} + e^{4}} \right )}^{2}}{5} \right )} \right )} \]
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Time = 0.36 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.00 \[ \int \frac {-4 x \log (x)+\left (e^2+x\right ) \log \left (\frac {3}{e^4+2 e^2 x+x^2}\right )}{\left (e^2 x+x^2\right ) \log (x) \log \left (\frac {3}{e^4+2 e^2 x+x^2}\right ) \log \left (\frac {1}{5} \log (x) \log ^2\left (\frac {3}{e^4+2 e^2 x+x^2}\right )\right )} \, dx=\log \left (-\frac {1}{2} \, \log \left (5\right ) + \log \left (-\log \left (3\right ) + 2 \, \log \left (x + e^{2}\right )\right ) + \frac {1}{2} \, \log \left (\log \left (x\right )\right )\right ) \]
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Leaf count of result is larger than twice the leaf count of optimal. 50 vs. \(2 (21) = 42\).
Time = 1.89 (sec) , antiderivative size = 50, normalized size of antiderivative = 2.08 \[ \int \frac {-4 x \log (x)+\left (e^2+x\right ) \log \left (\frac {3}{e^4+2 e^2 x+x^2}\right )}{\left (e^2 x+x^2\right ) \log (x) \log \left (\frac {3}{e^4+2 e^2 x+x^2}\right ) \log \left (\frac {1}{5} \log (x) \log ^2\left (\frac {3}{e^4+2 e^2 x+x^2}\right )\right )} \, dx=\log \left (-\log \left (5\right ) + \log \left (\log \left (3\right )^{2} \log \left (x\right ) - 2 \, \log \left (3\right ) \log \left (x^{2} + 2 \, x e^{2} + e^{4}\right ) \log \left (x\right ) + \log \left (x^{2} + 2 \, x e^{2} + e^{4}\right )^{2} \log \left (x\right )\right )\right ) \]
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Time = 19.32 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.00 \[ \int \frac {-4 x \log (x)+\left (e^2+x\right ) \log \left (\frac {3}{e^4+2 e^2 x+x^2}\right )}{\left (e^2 x+x^2\right ) \log (x) \log \left (\frac {3}{e^4+2 e^2 x+x^2}\right ) \log \left (\frac {1}{5} \log (x) \log ^2\left (\frac {3}{e^4+2 e^2 x+x^2}\right )\right )} \, dx=\ln \left (\ln \left (\frac {{\ln \left (\frac {3}{x^2+2\,{\mathrm {e}}^2\,x+{\mathrm {e}}^4}\right )}^2\,\ln \left (x\right )}{5}\right )\right ) \]
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