Integrand size = 224, antiderivative size = 27 \[ \int \frac {\left (-5 x-4 x^2\right ) \log (x)+\left (-16-20 x-8 x^2\right ) \log (x) \log \left (x^2\right )+\left (4+5 x+2 x^2\right ) \log ^2\left (x^2\right )+\left (-4 x-5 x^2-2 x^3\right ) \log ^4\left (x^2\right )+\left (4+5 x+2 x^2+\left (-8 x-10 x^2-4 x^3\right ) \log ^2\left (x^2\right )\right ) \log \left (4+5 x+2 x^2\right )+\left (-4 x-5 x^2-2 x^3\right ) \log ^2\left (4+5 x+2 x^2\right )}{\left (4 x+5 x^2+2 x^3\right ) \log ^4\left (x^2\right )+\left (8 x+10 x^2+4 x^3\right ) \log ^2\left (x^2\right ) \log \left (4+5 x+2 x^2\right )+\left (4 x+5 x^2+2 x^3\right ) \log ^2\left (4+5 x+2 x^2\right )} \, dx=-x+\frac {\log (x)}{\log ^2\left (x^2\right )+\log (4+x+x (4+2 x))} \]
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\[ \int \frac {\left (-5 x-4 x^2\right ) \log (x)+\left (-16-20 x-8 x^2\right ) \log (x) \log \left (x^2\right )+\left (4+5 x+2 x^2\right ) \log ^2\left (x^2\right )+\left (-4 x-5 x^2-2 x^3\right ) \log ^4\left (x^2\right )+\left (4+5 x+2 x^2+\left (-8 x-10 x^2-4 x^3\right ) \log ^2\left (x^2\right )\right ) \log \left (4+5 x+2 x^2\right )+\left (-4 x-5 x^2-2 x^3\right ) \log ^2\left (4+5 x+2 x^2\right )}{\left (4 x+5 x^2+2 x^3\right ) \log ^4\left (x^2\right )+\left (8 x+10 x^2+4 x^3\right ) \log ^2\left (x^2\right ) \log \left (4+5 x+2 x^2\right )+\left (4 x+5 x^2+2 x^3\right ) \log ^2\left (4+5 x+2 x^2\right )} \, dx=\int \frac {\left (-5 x-4 x^2\right ) \log (x)+\left (-16-20 x-8 x^2\right ) \log (x) \log \left (x^2\right )+\left (4+5 x+2 x^2\right ) \log ^2\left (x^2\right )+\left (-4 x-5 x^2-2 x^3\right ) \log ^4\left (x^2\right )+\left (4+5 x+2 x^2+\left (-8 x-10 x^2-4 x^3\right ) \log ^2\left (x^2\right )\right ) \log \left (4+5 x+2 x^2\right )+\left (-4 x-5 x^2-2 x^3\right ) \log ^2\left (4+5 x+2 x^2\right )}{\left (4 x+5 x^2+2 x^3\right ) \log ^4\left (x^2\right )+\left (8 x+10 x^2+4 x^3\right ) \log ^2\left (x^2\right ) \log \left (4+5 x+2 x^2\right )+\left (4 x+5 x^2+2 x^3\right ) \log ^2\left (4+5 x+2 x^2\right )} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \frac {\log (x) \left (-\frac {x (5+4 x)}{4+5 x+2 x^2}-4 \log \left (x^2\right )\right )-\left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right ) \left (-1+x \log ^2\left (x^2\right )+x \log \left (4+5 x+2 x^2\right )\right )}{x \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2} \, dx \\ & = \int \left (-1-\frac {\log (x) \left (5 x+4 x^2+16 \log \left (x^2\right )+20 x \log \left (x^2\right )+8 x^2 \log \left (x^2\right )\right )}{x \left (4+5 x+2 x^2\right ) \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2}+\frac {1}{x \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )}\right ) \, dx \\ & = -x-\int \frac {\log (x) \left (5 x+4 x^2+16 \log \left (x^2\right )+20 x \log \left (x^2\right )+8 x^2 \log \left (x^2\right )\right )}{x \left (4+5 x+2 x^2\right ) \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2} \, dx+\int \frac {1}{x \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )} \, dx \\ & = -x+\int \frac {1}{x \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )} \, dx-\int \left (\frac {\log (x) \left (5 x+4 x^2+16 \log \left (x^2\right )+20 x \log \left (x^2\right )+8 x^2 \log \left (x^2\right )\right )}{4 x \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2}-\frac {(5+2 x) \log (x) \left (5 x+4 x^2+16 \log \left (x^2\right )+20 x \log \left (x^2\right )+8 x^2 \log \left (x^2\right )\right )}{4 \left (4+5 x+2 x^2\right ) \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2}\right ) \, dx \\ & = -x-\frac {1}{4} \int \frac {\log (x) \left (5 x+4 x^2+16 \log \left (x^2\right )+20 x \log \left (x^2\right )+8 x^2 \log \left (x^2\right )\right )}{x \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2} \, dx+\frac {1}{4} \int \frac {(5+2 x) \log (x) \left (5 x+4 x^2+16 \log \left (x^2\right )+20 x \log \left (x^2\right )+8 x^2 \log \left (x^2\right )\right )}{\left (4+5 x+2 x^2\right ) \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2} \, dx+\int \frac {1}{x \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )} \, dx \\ & = -x-\frac {1}{4} \int \left (\frac {5 \log (x)}{\left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2}+\frac {4 x \log (x)}{\left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2}+\frac {20 \log (x) \log \left (x^2\right )}{\left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2}+\frac {16 \log (x) \log \left (x^2\right )}{x \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2}+\frac {8 x \log (x) \log \left (x^2\right )}{\left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2}\right ) \, dx+\frac {1}{4} \int \left (\frac {25 x \log (x)}{\left (4+5 x+2 x^2\right ) \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2}+\frac {30 x^2 \log (x)}{\left (4+5 x+2 x^2\right ) \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2}+\frac {8 x^3 \log (x)}{\left (4+5 x+2 x^2\right ) \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2}+\frac {80 \log (x) \log \left (x^2\right )}{\left (4+5 x+2 x^2\right ) \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2}+\frac {132 x \log (x) \log \left (x^2\right )}{\left (4+5 x+2 x^2\right ) \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2}+\frac {80 x^2 \log (x) \log \left (x^2\right )}{\left (4+5 x+2 x^2\right ) \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2}+\frac {16 x^3 \log (x) \log \left (x^2\right )}{\left (4+5 x+2 x^2\right ) \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2}\right ) \, dx+\int \frac {1}{x \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )} \, dx \\ & = -x-\frac {5}{4} \int \frac {\log (x)}{\left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2} \, dx+2 \int \frac {x^3 \log (x)}{\left (4+5 x+2 x^2\right ) \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2} \, dx-2 \int \frac {x \log (x) \log \left (x^2\right )}{\left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2} \, dx-4 \int \frac {\log (x) \log \left (x^2\right )}{x \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2} \, dx+4 \int \frac {x^3 \log (x) \log \left (x^2\right )}{\left (4+5 x+2 x^2\right ) \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2} \, dx-5 \int \frac {\log (x) \log \left (x^2\right )}{\left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2} \, dx+\frac {25}{4} \int \frac {x \log (x)}{\left (4+5 x+2 x^2\right ) \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2} \, dx+\frac {15}{2} \int \frac {x^2 \log (x)}{\left (4+5 x+2 x^2\right ) \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2} \, dx+20 \int \frac {\log (x) \log \left (x^2\right )}{\left (4+5 x+2 x^2\right ) \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2} \, dx+20 \int \frac {x^2 \log (x) \log \left (x^2\right )}{\left (4+5 x+2 x^2\right ) \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2} \, dx+33 \int \frac {x \log (x) \log \left (x^2\right )}{\left (4+5 x+2 x^2\right ) \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2} \, dx-\int \frac {x \log (x)}{\left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2} \, dx+\int \frac {1}{x \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )} \, dx \\ & = -x-\frac {5}{4} \int \frac {\log (x)}{\left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2} \, dx-2 \int \frac {x \log (x) \log \left (x^2\right )}{\left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2} \, dx+2 \int \left (-\frac {5 \log (x)}{4 \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2}+\frac {x \log (x)}{2 \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2}+\frac {(20+17 x) \log (x)}{4 \left (4+5 x+2 x^2\right ) \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2}\right ) \, dx-4 \int \frac {\log (x) \log \left (x^2\right )}{x \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2} \, dx+4 \int \left (-\frac {5 \log (x) \log \left (x^2\right )}{4 \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2}+\frac {x \log (x) \log \left (x^2\right )}{2 \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2}+\frac {(20+17 x) \log (x) \log \left (x^2\right )}{4 \left (4+5 x+2 x^2\right ) \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2}\right ) \, dx-5 \int \frac {\log (x) \log \left (x^2\right )}{\left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2} \, dx+\frac {25}{4} \int \left (\frac {\left (1+\frac {5 i}{\sqrt {7}}\right ) \log (x)}{\left (5-i \sqrt {7}+4 x\right ) \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2}+\frac {\left (1-\frac {5 i}{\sqrt {7}}\right ) \log (x)}{\left (5+i \sqrt {7}+4 x\right ) \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2}\right ) \, dx+\frac {15}{2} \int \left (\frac {\log (x)}{2 \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2}-\frac {(4+5 x) \log (x)}{2 \left (4+5 x+2 x^2\right ) \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2}\right ) \, dx+20 \int \left (\frac {4 i \log (x) \log \left (x^2\right )}{\sqrt {7} \left (-5+i \sqrt {7}-4 x\right ) \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2}+\frac {4 i \log (x) \log \left (x^2\right )}{\sqrt {7} \left (5+i \sqrt {7}+4 x\right ) \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2}\right ) \, dx+20 \int \left (\frac {\log (x) \log \left (x^2\right )}{2 \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2}-\frac {(4+5 x) \log (x) \log \left (x^2\right )}{2 \left (4+5 x+2 x^2\right ) \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2}\right ) \, dx+33 \int \left (\frac {\left (1+\frac {5 i}{\sqrt {7}}\right ) \log (x) \log \left (x^2\right )}{\left (5-i \sqrt {7}+4 x\right ) \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2}+\frac {\left (1-\frac {5 i}{\sqrt {7}}\right ) \log (x) \log \left (x^2\right )}{\left (5+i \sqrt {7}+4 x\right ) \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2}\right ) \, dx-\int \frac {x \log (x)}{\left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2} \, dx+\int \frac {1}{x \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )} \, dx \\ & = -x+\frac {1}{2} \int \frac {(20+17 x) \log (x)}{\left (4+5 x+2 x^2\right ) \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2} \, dx-\frac {5}{4} \int \frac {\log (x)}{\left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2} \, dx-\frac {5}{2} \int \frac {\log (x)}{\left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2} \, dx+\frac {15}{4} \int \frac {\log (x)}{\left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2} \, dx-\frac {15}{4} \int \frac {(4+5 x) \log (x)}{\left (4+5 x+2 x^2\right ) \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2} \, dx-4 \int \frac {\log (x) \log \left (x^2\right )}{x \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2} \, dx-2 \left (5 \int \frac {\log (x) \log \left (x^2\right )}{\left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2} \, dx\right )+10 \int \frac {\log (x) \log \left (x^2\right )}{\left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2} \, dx-10 \int \frac {(4+5 x) \log (x) \log \left (x^2\right )}{\left (4+5 x+2 x^2\right ) \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2} \, dx+\frac {(80 i) \int \frac {\log (x) \log \left (x^2\right )}{\left (-5+i \sqrt {7}-4 x\right ) \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2} \, dx}{\sqrt {7}}+\frac {(80 i) \int \frac {\log (x) \log \left (x^2\right )}{\left (5+i \sqrt {7}+4 x\right ) \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2} \, dx}{\sqrt {7}}+\frac {1}{28} \left (25 \left (7-5 i \sqrt {7}\right )\right ) \int \frac {\log (x)}{\left (5+i \sqrt {7}+4 x\right ) \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2} \, dx+\frac {1}{7} \left (33 \left (7-5 i \sqrt {7}\right )\right ) \int \frac {\log (x) \log \left (x^2\right )}{\left (5+i \sqrt {7}+4 x\right ) \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2} \, dx+\frac {1}{28} \left (25 \left (7+5 i \sqrt {7}\right )\right ) \int \frac {\log (x)}{\left (5-i \sqrt {7}+4 x\right ) \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2} \, dx+\frac {1}{7} \left (33 \left (7+5 i \sqrt {7}\right )\right ) \int \frac {\log (x) \log \left (x^2\right )}{\left (5-i \sqrt {7}+4 x\right ) \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2} \, dx+\int \frac {(20+17 x) \log (x) \log \left (x^2\right )}{\left (4+5 x+2 x^2\right ) \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )^2} \, dx+\int \frac {1}{x \left (\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )\right )} \, dx \\ & = \text {Too large to display} \\ \end{align*}
Time = 0.11 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.00 \[ \int \frac {\left (-5 x-4 x^2\right ) \log (x)+\left (-16-20 x-8 x^2\right ) \log (x) \log \left (x^2\right )+\left (4+5 x+2 x^2\right ) \log ^2\left (x^2\right )+\left (-4 x-5 x^2-2 x^3\right ) \log ^4\left (x^2\right )+\left (4+5 x+2 x^2+\left (-8 x-10 x^2-4 x^3\right ) \log ^2\left (x^2\right )\right ) \log \left (4+5 x+2 x^2\right )+\left (-4 x-5 x^2-2 x^3\right ) \log ^2\left (4+5 x+2 x^2\right )}{\left (4 x+5 x^2+2 x^3\right ) \log ^4\left (x^2\right )+\left (8 x+10 x^2+4 x^3\right ) \log ^2\left (x^2\right ) \log \left (4+5 x+2 x^2\right )+\left (4 x+5 x^2+2 x^3\right ) \log ^2\left (4+5 x+2 x^2\right )} \, dx=-x+\frac {\log (x)}{\log ^2\left (x^2\right )+\log \left (4+5 x+2 x^2\right )} \]
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Leaf count of result is larger than twice the leaf count of optimal. \(71\) vs. \(2(27)=54\).
Time = 22.32 (sec) , antiderivative size = 72, normalized size of antiderivative = 2.67
method | result | size |
parallelrisch | \(\frac {10086 \ln \left (2 x^{2}+5 x +4\right )-4920 x \ln \left (x^{2}\right )^{2}+10086 \ln \left (x^{2}\right )^{2}+4920 \ln \left (x \right )-4920 x \ln \left (2 x^{2}+5 x +4\right )}{4920 \ln \left (x^{2}\right )^{2}+4920 \ln \left (2 x^{2}+5 x +4\right )}\) | \(72\) |
risch | \(-x +\frac {4 \ln \left (x \right )}{-\pi ^{2} \operatorname {csgn}\left (i x \right )^{4} \operatorname {csgn}\left (i x^{2}\right )^{2}+4 \pi ^{2} \operatorname {csgn}\left (i x \right )^{3} \operatorname {csgn}\left (i x^{2}\right )^{3}-6 \pi ^{2} \operatorname {csgn}\left (i x \right )^{2} \operatorname {csgn}\left (i x^{2}\right )^{4}+4 \pi ^{2} \operatorname {csgn}\left (i x \right ) \operatorname {csgn}\left (i x^{2}\right )^{5}-\pi ^{2} \operatorname {csgn}\left (i x^{2}\right )^{6}-8 i \ln \left (x \right ) \pi \operatorname {csgn}\left (i x \right )^{2} \operatorname {csgn}\left (i x^{2}\right )+16 i \ln \left (x \right ) \pi \,\operatorname {csgn}\left (i x \right ) \operatorname {csgn}\left (i x^{2}\right )^{2}-8 i \ln \left (x \right ) \pi \operatorname {csgn}\left (i x^{2}\right )^{3}+16 \ln \left (x \right )^{2}+4 \ln \left (2 x^{2}+5 x +4\right )}\) | \(182\) |
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Time = 0.27 (sec) , antiderivative size = 47, normalized size of antiderivative = 1.74 \[ \int \frac {\left (-5 x-4 x^2\right ) \log (x)+\left (-16-20 x-8 x^2\right ) \log (x) \log \left (x^2\right )+\left (4+5 x+2 x^2\right ) \log ^2\left (x^2\right )+\left (-4 x-5 x^2-2 x^3\right ) \log ^4\left (x^2\right )+\left (4+5 x+2 x^2+\left (-8 x-10 x^2-4 x^3\right ) \log ^2\left (x^2\right )\right ) \log \left (4+5 x+2 x^2\right )+\left (-4 x-5 x^2-2 x^3\right ) \log ^2\left (4+5 x+2 x^2\right )}{\left (4 x+5 x^2+2 x^3\right ) \log ^4\left (x^2\right )+\left (8 x+10 x^2+4 x^3\right ) \log ^2\left (x^2\right ) \log \left (4+5 x+2 x^2\right )+\left (4 x+5 x^2+2 x^3\right ) \log ^2\left (4+5 x+2 x^2\right )} \, dx=-\frac {4 \, x \log \left (x\right )^{2} + x \log \left (2 \, x^{2} + 5 \, x + 4\right ) - \log \left (x\right )}{4 \, \log \left (x\right )^{2} + \log \left (2 \, x^{2} + 5 \, x + 4\right )} \]
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Time = 0.13 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.81 \[ \int \frac {\left (-5 x-4 x^2\right ) \log (x)+\left (-16-20 x-8 x^2\right ) \log (x) \log \left (x^2\right )+\left (4+5 x+2 x^2\right ) \log ^2\left (x^2\right )+\left (-4 x-5 x^2-2 x^3\right ) \log ^4\left (x^2\right )+\left (4+5 x+2 x^2+\left (-8 x-10 x^2-4 x^3\right ) \log ^2\left (x^2\right )\right ) \log \left (4+5 x+2 x^2\right )+\left (-4 x-5 x^2-2 x^3\right ) \log ^2\left (4+5 x+2 x^2\right )}{\left (4 x+5 x^2+2 x^3\right ) \log ^4\left (x^2\right )+\left (8 x+10 x^2+4 x^3\right ) \log ^2\left (x^2\right ) \log \left (4+5 x+2 x^2\right )+\left (4 x+5 x^2+2 x^3\right ) \log ^2\left (4+5 x+2 x^2\right )} \, dx=- x + \frac {\log {\left (x \right )}}{4 \log {\left (x \right )}^{2} + \log {\left (2 x^{2} + 5 x + 4 \right )}} \]
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Time = 0.25 (sec) , antiderivative size = 47, normalized size of antiderivative = 1.74 \[ \int \frac {\left (-5 x-4 x^2\right ) \log (x)+\left (-16-20 x-8 x^2\right ) \log (x) \log \left (x^2\right )+\left (4+5 x+2 x^2\right ) \log ^2\left (x^2\right )+\left (-4 x-5 x^2-2 x^3\right ) \log ^4\left (x^2\right )+\left (4+5 x+2 x^2+\left (-8 x-10 x^2-4 x^3\right ) \log ^2\left (x^2\right )\right ) \log \left (4+5 x+2 x^2\right )+\left (-4 x-5 x^2-2 x^3\right ) \log ^2\left (4+5 x+2 x^2\right )}{\left (4 x+5 x^2+2 x^3\right ) \log ^4\left (x^2\right )+\left (8 x+10 x^2+4 x^3\right ) \log ^2\left (x^2\right ) \log \left (4+5 x+2 x^2\right )+\left (4 x+5 x^2+2 x^3\right ) \log ^2\left (4+5 x+2 x^2\right )} \, dx=-\frac {4 \, x \log \left (x\right )^{2} + x \log \left (2 \, x^{2} + 5 \, x + 4\right ) - \log \left (x\right )}{4 \, \log \left (x\right )^{2} + \log \left (2 \, x^{2} + 5 \, x + 4\right )} \]
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Time = 0.49 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.00 \[ \int \frac {\left (-5 x-4 x^2\right ) \log (x)+\left (-16-20 x-8 x^2\right ) \log (x) \log \left (x^2\right )+\left (4+5 x+2 x^2\right ) \log ^2\left (x^2\right )+\left (-4 x-5 x^2-2 x^3\right ) \log ^4\left (x^2\right )+\left (4+5 x+2 x^2+\left (-8 x-10 x^2-4 x^3\right ) \log ^2\left (x^2\right )\right ) \log \left (4+5 x+2 x^2\right )+\left (-4 x-5 x^2-2 x^3\right ) \log ^2\left (4+5 x+2 x^2\right )}{\left (4 x+5 x^2+2 x^3\right ) \log ^4\left (x^2\right )+\left (8 x+10 x^2+4 x^3\right ) \log ^2\left (x^2\right ) \log \left (4+5 x+2 x^2\right )+\left (4 x+5 x^2+2 x^3\right ) \log ^2\left (4+5 x+2 x^2\right )} \, dx=-x + \frac {\log \left (x\right )}{4 \, \log \left (x\right )^{2} + \log \left (2 \, x^{2} + 5 \, x + 4\right )} \]
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Timed out. \[ \int \frac {\left (-5 x-4 x^2\right ) \log (x)+\left (-16-20 x-8 x^2\right ) \log (x) \log \left (x^2\right )+\left (4+5 x+2 x^2\right ) \log ^2\left (x^2\right )+\left (-4 x-5 x^2-2 x^3\right ) \log ^4\left (x^2\right )+\left (4+5 x+2 x^2+\left (-8 x-10 x^2-4 x^3\right ) \log ^2\left (x^2\right )\right ) \log \left (4+5 x+2 x^2\right )+\left (-4 x-5 x^2-2 x^3\right ) \log ^2\left (4+5 x+2 x^2\right )}{\left (4 x+5 x^2+2 x^3\right ) \log ^4\left (x^2\right )+\left (8 x+10 x^2+4 x^3\right ) \log ^2\left (x^2\right ) \log \left (4+5 x+2 x^2\right )+\left (4 x+5 x^2+2 x^3\right ) \log ^2\left (4+5 x+2 x^2\right )} \, dx=\int -\frac {{\ln \left (2\,x^2+5\,x+4\right )}^2\,\left (2\,x^3+5\,x^2+4\,x\right )-\ln \left (2\,x^2+5\,x+4\right )\,\left (5\,x-{\ln \left (x^2\right )}^2\,\left (4\,x^3+10\,x^2+8\,x\right )+2\,x^2+4\right )-{\ln \left (x^2\right )}^2\,\left (2\,x^2+5\,x+4\right )+{\ln \left (x^2\right )}^4\,\left (2\,x^3+5\,x^2+4\,x\right )+\ln \left (x\right )\,\left (4\,x^2+5\,x\right )+\ln \left (x^2\right )\,\ln \left (x\right )\,\left (8\,x^2+20\,x+16\right )}{\left (2\,x^3+5\,x^2+4\,x\right )\,{\ln \left (x^2\right )}^4+\left (4\,x^3+10\,x^2+8\,x\right )\,{\ln \left (x^2\right )}^2\,\ln \left (2\,x^2+5\,x+4\right )+\left (2\,x^3+5\,x^2+4\,x\right )\,{\ln \left (2\,x^2+5\,x+4\right )}^2} \,d x \]
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