Integrand size = 105, antiderivative size = 28 \[ \int \frac {x^2+5 x^4+\left (-x^2-15 x^4\right ) \log (x)+\left (-5-10 x^2\right ) \log ^2(x)+5 \log ^3(x)}{16 x^4+160 x^6+400 x^8+\left (320 x^4+1600 x^6\right ) \log (x)+\left (160 x^2+2400 x^4\right ) \log ^2(x)+1600 x^2 \log ^3(x)+400 \log ^4(x)} \, dx=\frac {\log (x)}{4 x \left (4+5 \left (2 x+\frac {2 \log (x)}{x}\right )^2\right )} \]
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\[ \int \frac {x^2+5 x^4+\left (-x^2-15 x^4\right ) \log (x)+\left (-5-10 x^2\right ) \log ^2(x)+5 \log ^3(x)}{16 x^4+160 x^6+400 x^8+\left (320 x^4+1600 x^6\right ) \log (x)+\left (160 x^2+2400 x^4\right ) \log ^2(x)+1600 x^2 \log ^3(x)+400 \log ^4(x)} \, dx=\int \frac {x^2+5 x^4+\left (-x^2-15 x^4\right ) \log (x)+\left (-5-10 x^2\right ) \log ^2(x)+5 \log ^3(x)}{16 x^4+160 x^6+400 x^8+\left (320 x^4+1600 x^6\right ) \log (x)+\left (160 x^2+2400 x^4\right ) \log ^2(x)+1600 x^2 \log ^3(x)+400 \log ^4(x)} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \frac {x^2+5 x^4-\left (x^2+15 x^4\right ) \log (x)-5 \left (1+2 x^2\right ) \log ^2(x)+5 \log ^3(x)}{16 \left (x^2+5 x^4+10 x^2 \log (x)+5 \log ^2(x)\right )^2} \, dx \\ & = \frac {1}{16} \int \frac {x^2+5 x^4-\left (x^2+15 x^4\right ) \log (x)-5 \left (1+2 x^2\right ) \log ^2(x)+5 \log ^3(x)}{\left (x^2+5 x^4+10 x^2 \log (x)+5 \log ^2(x)\right )^2} \, dx \\ & = \frac {1}{16} \int \left (\frac {2 x^2 \left (1+7 x^2+10 x^4+4 \log (x)+10 x^2 \log (x)\right )}{\left (x^2+5 x^4+10 x^2 \log (x)+5 \log ^2(x)\right )^2}+\frac {-1-4 x^2+\log (x)}{x^2+5 x^4+10 x^2 \log (x)+5 \log ^2(x)}\right ) \, dx \\ & = \frac {1}{16} \int \frac {-1-4 x^2+\log (x)}{x^2+5 x^4+10 x^2 \log (x)+5 \log ^2(x)} \, dx+\frac {1}{8} \int \frac {x^2 \left (1+7 x^2+10 x^4+4 \log (x)+10 x^2 \log (x)\right )}{\left (x^2+5 x^4+10 x^2 \log (x)+5 \log ^2(x)\right )^2} \, dx \\ & = \frac {1}{16} \int \left (\frac {1}{-x^2-5 x^4-10 x^2 \log (x)-5 \log ^2(x)}-\frac {4 x^2}{x^2+5 x^4+10 x^2 \log (x)+5 \log ^2(x)}+\frac {\log (x)}{x^2+5 x^4+10 x^2 \log (x)+5 \log ^2(x)}\right ) \, dx+\frac {1}{8} \int \left (\frac {x^2}{\left (x^2+5 x^4+10 x^2 \log (x)+5 \log ^2(x)\right )^2}+\frac {7 x^4}{\left (x^2+5 x^4+10 x^2 \log (x)+5 \log ^2(x)\right )^2}+\frac {10 x^6}{\left (x^2+5 x^4+10 x^2 \log (x)+5 \log ^2(x)\right )^2}+\frac {4 x^2 \log (x)}{\left (x^2+5 x^4+10 x^2 \log (x)+5 \log ^2(x)\right )^2}+\frac {10 x^4 \log (x)}{\left (x^2+5 x^4+10 x^2 \log (x)+5 \log ^2(x)\right )^2}\right ) \, dx \\ & = \frac {1}{16} \int \frac {1}{-x^2-5 x^4-10 x^2 \log (x)-5 \log ^2(x)} \, dx+\frac {1}{16} \int \frac {\log (x)}{x^2+5 x^4+10 x^2 \log (x)+5 \log ^2(x)} \, dx+\frac {1}{8} \int \frac {x^2}{\left (x^2+5 x^4+10 x^2 \log (x)+5 \log ^2(x)\right )^2} \, dx-\frac {1}{4} \int \frac {x^2}{x^2+5 x^4+10 x^2 \log (x)+5 \log ^2(x)} \, dx+\frac {1}{2} \int \frac {x^2 \log (x)}{\left (x^2+5 x^4+10 x^2 \log (x)+5 \log ^2(x)\right )^2} \, dx+\frac {7}{8} \int \frac {x^4}{\left (x^2+5 x^4+10 x^2 \log (x)+5 \log ^2(x)\right )^2} \, dx+\frac {5}{4} \int \frac {x^6}{\left (x^2+5 x^4+10 x^2 \log (x)+5 \log ^2(x)\right )^2} \, dx+\frac {5}{4} \int \frac {x^4 \log (x)}{\left (x^2+5 x^4+10 x^2 \log (x)+5 \log ^2(x)\right )^2} \, dx \\ \end{align*}
Time = 0.22 (sec) , antiderivative size = 31, normalized size of antiderivative = 1.11 \[ \int \frac {x^2+5 x^4+\left (-x^2-15 x^4\right ) \log (x)+\left (-5-10 x^2\right ) \log ^2(x)+5 \log ^3(x)}{16 x^4+160 x^6+400 x^8+\left (320 x^4+1600 x^6\right ) \log (x)+\left (160 x^2+2400 x^4\right ) \log ^2(x)+1600 x^2 \log ^3(x)+400 \log ^4(x)} \, dx=\frac {x \log (x)}{16 \left (x^2+5 x^4+10 x^2 \log (x)+5 \log ^2(x)\right )} \]
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Time = 0.50 (sec) , antiderivative size = 30, normalized size of antiderivative = 1.07
method | result | size |
default | \(\frac {x \ln \left (x \right )}{80 x^{4}+160 x^{2} \ln \left (x \right )+80 \ln \left (x \right )^{2}+16 x^{2}}\) | \(30\) |
risch | \(\frac {x \ln \left (x \right )}{80 x^{4}+160 x^{2} \ln \left (x \right )+80 \ln \left (x \right )^{2}+16 x^{2}}\) | \(30\) |
parallelrisch | \(\frac {x \ln \left (x \right )}{80 x^{4}+160 x^{2} \ln \left (x \right )+80 \ln \left (x \right )^{2}+16 x^{2}}\) | \(30\) |
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Time = 0.24 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.04 \[ \int \frac {x^2+5 x^4+\left (-x^2-15 x^4\right ) \log (x)+\left (-5-10 x^2\right ) \log ^2(x)+5 \log ^3(x)}{16 x^4+160 x^6+400 x^8+\left (320 x^4+1600 x^6\right ) \log (x)+\left (160 x^2+2400 x^4\right ) \log ^2(x)+1600 x^2 \log ^3(x)+400 \log ^4(x)} \, dx=\frac {x \log \left (x\right )}{16 \, {\left (5 \, x^{4} + 10 \, x^{2} \log \left (x\right ) + x^{2} + 5 \, \log \left (x\right )^{2}\right )}} \]
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Time = 0.09 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.04 \[ \int \frac {x^2+5 x^4+\left (-x^2-15 x^4\right ) \log (x)+\left (-5-10 x^2\right ) \log ^2(x)+5 \log ^3(x)}{16 x^4+160 x^6+400 x^8+\left (320 x^4+1600 x^6\right ) \log (x)+\left (160 x^2+2400 x^4\right ) \log ^2(x)+1600 x^2 \log ^3(x)+400 \log ^4(x)} \, dx=\frac {x \log {\left (x \right )}}{80 x^{4} + 160 x^{2} \log {\left (x \right )} + 16 x^{2} + 80 \log {\left (x \right )}^{2}} \]
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Time = 0.23 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.04 \[ \int \frac {x^2+5 x^4+\left (-x^2-15 x^4\right ) \log (x)+\left (-5-10 x^2\right ) \log ^2(x)+5 \log ^3(x)}{16 x^4+160 x^6+400 x^8+\left (320 x^4+1600 x^6\right ) \log (x)+\left (160 x^2+2400 x^4\right ) \log ^2(x)+1600 x^2 \log ^3(x)+400 \log ^4(x)} \, dx=\frac {x \log \left (x\right )}{16 \, {\left (5 \, x^{4} + 10 \, x^{2} \log \left (x\right ) + x^{2} + 5 \, \log \left (x\right )^{2}\right )}} \]
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Time = 0.30 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.04 \[ \int \frac {x^2+5 x^4+\left (-x^2-15 x^4\right ) \log (x)+\left (-5-10 x^2\right ) \log ^2(x)+5 \log ^3(x)}{16 x^4+160 x^6+400 x^8+\left (320 x^4+1600 x^6\right ) \log (x)+\left (160 x^2+2400 x^4\right ) \log ^2(x)+1600 x^2 \log ^3(x)+400 \log ^4(x)} \, dx=\frac {x \log \left (x\right )}{16 \, {\left (5 \, x^{4} + 10 \, x^{2} \log \left (x\right ) + x^{2} + 5 \, \log \left (x\right )^{2}\right )}} \]
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Timed out. \[ \int \frac {x^2+5 x^4+\left (-x^2-15 x^4\right ) \log (x)+\left (-5-10 x^2\right ) \log ^2(x)+5 \log ^3(x)}{16 x^4+160 x^6+400 x^8+\left (320 x^4+1600 x^6\right ) \log (x)+\left (160 x^2+2400 x^4\right ) \log ^2(x)+1600 x^2 \log ^3(x)+400 \log ^4(x)} \, dx=\int \frac {5\,{\ln \left (x\right )}^3-{\ln \left (x\right )}^2\,\left (10\,x^2+5\right )-\ln \left (x\right )\,\left (15\,x^4+x^2\right )+x^2+5\,x^4}{\ln \left (x\right )\,\left (1600\,x^6+320\,x^4\right )+400\,{\ln \left (x\right )}^4+{\ln \left (x\right )}^2\,\left (2400\,x^4+160\,x^2\right )+1600\,x^2\,{\ln \left (x\right )}^3+16\,x^4+160\,x^6+400\,x^8} \,d x \]
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