Integrand size = 109, antiderivative size = 27 \[ \int \frac {-160+24 x^2+16 x^3+\left (-160-24 x^2-8 x^3\right ) \log \left (\frac {20+3 x^2+x^3}{x^2}\right )}{20+3 x^2+x^3+\left (-40-6 x^2-2 x^3\right ) \log \left (\frac {20+3 x^2+x^3}{x^2}\right )+\left (20+3 x^2+x^3\right ) \log ^2\left (\frac {20+3 x^2+x^3}{x^2}\right )} \, dx=\frac {8 x}{1-\log \left (5+x-\frac {-\frac {20}{x}+2 x}{x}\right )} \]
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\[ \int \frac {-160+24 x^2+16 x^3+\left (-160-24 x^2-8 x^3\right ) \log \left (\frac {20+3 x^2+x^3}{x^2}\right )}{20+3 x^2+x^3+\left (-40-6 x^2-2 x^3\right ) \log \left (\frac {20+3 x^2+x^3}{x^2}\right )+\left (20+3 x^2+x^3\right ) \log ^2\left (\frac {20+3 x^2+x^3}{x^2}\right )} \, dx=\int \frac {-160+24 x^2+16 x^3+\left (-160-24 x^2-8 x^3\right ) \log \left (\frac {20+3 x^2+x^3}{x^2}\right )}{20+3 x^2+x^3+\left (-40-6 x^2-2 x^3\right ) \log \left (\frac {20+3 x^2+x^3}{x^2}\right )+\left (20+3 x^2+x^3\right ) \log ^2\left (\frac {20+3 x^2+x^3}{x^2}\right )} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \frac {8 \left (-20+3 x^2+2 x^3-\left (20+3 x^2+x^3\right ) \log \left (3+\frac {20}{x^2}+x\right )\right )}{\left (20+3 x^2+x^3\right ) \left (1-\log \left (3+\frac {20}{x^2}+x\right )\right )^2} \, dx \\ & = 8 \int \frac {-20+3 x^2+2 x^3-\left (20+3 x^2+x^3\right ) \log \left (3+\frac {20}{x^2}+x\right )}{\left (20+3 x^2+x^3\right ) \left (1-\log \left (3+\frac {20}{x^2}+x\right )\right )^2} \, dx \\ & = 8 \int \left (\frac {1}{1-\log \left (3+\frac {20}{x^2}+x\right )}+\frac {-40+x^3}{\left (20+3 x^2+x^3\right ) \left (-1+\log \left (3+\frac {20}{x^2}+x\right )\right )^2}\right ) \, dx \\ & = 8 \int \frac {1}{1-\log \left (3+\frac {20}{x^2}+x\right )} \, dx+8 \int \frac {-40+x^3}{\left (20+3 x^2+x^3\right ) \left (-1+\log \left (3+\frac {20}{x^2}+x\right )\right )^2} \, dx \\ & = 8 \int \left (\frac {1}{\left (-1+\log \left (3+\frac {20}{x^2}+x\right )\right )^2}-\frac {3 \left (20+x^2\right )}{\left (20+3 x^2+x^3\right ) \left (-1+\log \left (3+\frac {20}{x^2}+x\right )\right )^2}\right ) \, dx+8 \int \frac {1}{1-\log \left (3+\frac {20}{x^2}+x\right )} \, dx \\ & = 8 \int \frac {1}{1-\log \left (3+\frac {20}{x^2}+x\right )} \, dx+8 \int \frac {1}{\left (-1+\log \left (3+\frac {20}{x^2}+x\right )\right )^2} \, dx-24 \int \frac {20+x^2}{\left (20+3 x^2+x^3\right ) \left (-1+\log \left (3+\frac {20}{x^2}+x\right )\right )^2} \, dx \\ & = 8 \int \frac {1}{1-\log \left (3+\frac {20}{x^2}+x\right )} \, dx+8 \int \frac {1}{\left (-1+\log \left (3+\frac {20}{x^2}+x\right )\right )^2} \, dx-24 \int \left (\frac {20}{\left (20+3 x^2+x^3\right ) \left (-1+\log \left (3+\frac {20}{x^2}+x\right )\right )^2}+\frac {x^2}{\left (20+3 x^2+x^3\right ) \left (-1+\log \left (3+\frac {20}{x^2}+x\right )\right )^2}\right ) \, dx \\ & = 8 \int \frac {1}{1-\log \left (3+\frac {20}{x^2}+x\right )} \, dx+8 \int \frac {1}{\left (-1+\log \left (3+\frac {20}{x^2}+x\right )\right )^2} \, dx-24 \int \frac {x^2}{\left (20+3 x^2+x^3\right ) \left (-1+\log \left (3+\frac {20}{x^2}+x\right )\right )^2} \, dx-480 \int \frac {1}{\left (20+3 x^2+x^3\right ) \left (-1+\log \left (3+\frac {20}{x^2}+x\right )\right )^2} \, dx \\ \end{align*}
Time = 0.21 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.59 \[ \int \frac {-160+24 x^2+16 x^3+\left (-160-24 x^2-8 x^3\right ) \log \left (\frac {20+3 x^2+x^3}{x^2}\right )}{20+3 x^2+x^3+\left (-40-6 x^2-2 x^3\right ) \log \left (\frac {20+3 x^2+x^3}{x^2}\right )+\left (20+3 x^2+x^3\right ) \log ^2\left (\frac {20+3 x^2+x^3}{x^2}\right )} \, dx=-\frac {8 x}{-1+\log \left (3+\frac {20}{x^2}+x\right )} \]
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Time = 0.67 (sec) , antiderivative size = 23, normalized size of antiderivative = 0.85
method | result | size |
norman | \(-\frac {8 x}{\ln \left (\frac {x^{3}+3 x^{2}+20}{x^{2}}\right )-1}\) | \(23\) |
risch | \(-\frac {8 x}{\ln \left (\frac {x^{3}+3 x^{2}+20}{x^{2}}\right )-1}\) | \(23\) |
parallelrisch | \(-\frac {8 x}{\ln \left (\frac {x^{3}+3 x^{2}+20}{x^{2}}\right )-1}\) | \(23\) |
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Time = 0.25 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.81 \[ \int \frac {-160+24 x^2+16 x^3+\left (-160-24 x^2-8 x^3\right ) \log \left (\frac {20+3 x^2+x^3}{x^2}\right )}{20+3 x^2+x^3+\left (-40-6 x^2-2 x^3\right ) \log \left (\frac {20+3 x^2+x^3}{x^2}\right )+\left (20+3 x^2+x^3\right ) \log ^2\left (\frac {20+3 x^2+x^3}{x^2}\right )} \, dx=-\frac {8 \, x}{\log \left (\frac {x^{3} + 3 \, x^{2} + 20}{x^{2}}\right ) - 1} \]
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Time = 0.07 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.74 \[ \int \frac {-160+24 x^2+16 x^3+\left (-160-24 x^2-8 x^3\right ) \log \left (\frac {20+3 x^2+x^3}{x^2}\right )}{20+3 x^2+x^3+\left (-40-6 x^2-2 x^3\right ) \log \left (\frac {20+3 x^2+x^3}{x^2}\right )+\left (20+3 x^2+x^3\right ) \log ^2\left (\frac {20+3 x^2+x^3}{x^2}\right )} \, dx=- \frac {8 x}{\log {\left (\frac {x^{3} + 3 x^{2} + 20}{x^{2}} \right )} - 1} \]
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Time = 0.24 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.81 \[ \int \frac {-160+24 x^2+16 x^3+\left (-160-24 x^2-8 x^3\right ) \log \left (\frac {20+3 x^2+x^3}{x^2}\right )}{20+3 x^2+x^3+\left (-40-6 x^2-2 x^3\right ) \log \left (\frac {20+3 x^2+x^3}{x^2}\right )+\left (20+3 x^2+x^3\right ) \log ^2\left (\frac {20+3 x^2+x^3}{x^2}\right )} \, dx=-\frac {8 \, x}{\log \left (x^{3} + 3 \, x^{2} + 20\right ) - 2 \, \log \left (x\right ) - 1} \]
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Time = 0.46 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.81 \[ \int \frac {-160+24 x^2+16 x^3+\left (-160-24 x^2-8 x^3\right ) \log \left (\frac {20+3 x^2+x^3}{x^2}\right )}{20+3 x^2+x^3+\left (-40-6 x^2-2 x^3\right ) \log \left (\frac {20+3 x^2+x^3}{x^2}\right )+\left (20+3 x^2+x^3\right ) \log ^2\left (\frac {20+3 x^2+x^3}{x^2}\right )} \, dx=-\frac {8 \, x}{\log \left (\frac {x^{3} + 3 \, x^{2} + 20}{x^{2}}\right ) - 1} \]
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Time = 12.09 (sec) , antiderivative size = 41, normalized size of antiderivative = 1.52 \[ \int \frac {-160+24 x^2+16 x^3+\left (-160-24 x^2-8 x^3\right ) \log \left (\frac {20+3 x^2+x^3}{x^2}\right )}{20+3 x^2+x^3+\left (-40-6 x^2-2 x^3\right ) \log \left (\frac {20+3 x^2+x^3}{x^2}\right )+\left (20+3 x^2+x^3\right ) \log ^2\left (\frac {20+3 x^2+x^3}{x^2}\right )} \, dx=-\frac {8\,\left (x-3\,\ln \left (\frac {x^3+3\,x^2+20}{x^2}\right )+3\right )}{\ln \left (\frac {x^3+3\,x^2+20}{x^2}\right )-1} \]
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