Integrand size = 49, antiderivative size = 20 \[ \int \frac {3-3 x-5 x^2+x^3+\left (-6 x+6 x^3\right ) \log (x)}{3 x-x^3+\left (-3 x^2+x^4\right ) \log (x)} \, dx=9+\log \left (x \left (3-x^2\right )^2 (-1+x \log (x))\right ) \]
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\[ \int \frac {3-3 x-5 x^2+x^3+\left (-6 x+6 x^3\right ) \log (x)}{3 x-x^3+\left (-3 x^2+x^4\right ) \log (x)} \, dx=\int \frac {3-3 x-5 x^2+x^3+\left (-6 x+6 x^3\right ) \log (x)}{3 x-x^3+\left (-3 x^2+x^4\right ) \log (x)} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \frac {(1+x) \left (3-6 x+x^2-6 x \log (x)+6 x^2 \log (x)\right )}{x \left (3-x^2\right ) (1-x \log (x))} \, dx \\ & = \int \left (\frac {6 \left (-1+x^2\right )}{x \left (-3+x^2\right )}+\frac {1+x}{x (-1+x \log (x))}\right ) \, dx \\ & = 6 \int \frac {-1+x^2}{x \left (-3+x^2\right )} \, dx+\int \frac {1+x}{x (-1+x \log (x))} \, dx \\ & = 3 \text {Subst}\left (\int \frac {-1+x}{(-3+x) x} \, dx,x,x^2\right )+\int \left (\frac {1}{-1+x \log (x)}+\frac {1}{x (-1+x \log (x))}\right ) \, dx \\ & = 3 \text {Subst}\left (\int \left (\frac {2}{3 (-3+x)}+\frac {1}{3 x}\right ) \, dx,x,x^2\right )+\int \frac {1}{-1+x \log (x)} \, dx+\int \frac {1}{x (-1+x \log (x))} \, dx \\ & = 2 \log (x)+2 \log \left (3-x^2\right )+\int \frac {1}{-1+x \log (x)} \, dx+\int \frac {1}{x (-1+x \log (x))} \, dx \\ \end{align*}
Time = 0.20 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.05 \[ \int \frac {3-3 x-5 x^2+x^3+\left (-6 x+6 x^3\right ) \log (x)}{3 x-x^3+\left (-3 x^2+x^4\right ) \log (x)} \, dx=\log (x)+2 \log \left (3-x^2\right )+\log (1-x \log (x)) \]
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Time = 0.66 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.95
method | result | size |
default | \(\ln \left (x \right )+2 \ln \left (x^{2}-3\right )+\ln \left (x \ln \left (x \right )-1\right )\) | \(19\) |
norman | \(\ln \left (x \right )+2 \ln \left (x^{2}-3\right )+\ln \left (x \ln \left (x \right )-1\right )\) | \(19\) |
parallelrisch | \(\ln \left (x \right )+2 \ln \left (x^{2}-3\right )+\ln \left (x \ln \left (x \right )-1\right )\) | \(19\) |
risch | \(2 \ln \left (x^{3}-3 x \right )+\ln \left (\ln \left (x \right )-\frac {1}{x}\right )\) | \(21\) |
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Time = 0.25 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.10 \[ \int \frac {3-3 x-5 x^2+x^3+\left (-6 x+6 x^3\right ) \log (x)}{3 x-x^3+\left (-3 x^2+x^4\right ) \log (x)} \, dx=2 \, \log \left (x^{3} - 3 \, x\right ) + \log \left (\frac {x \log \left (x\right ) - 1}{x}\right ) \]
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Time = 0.11 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.85 \[ \int \frac {3-3 x-5 x^2+x^3+\left (-6 x+6 x^3\right ) \log (x)}{3 x-x^3+\left (-3 x^2+x^4\right ) \log (x)} \, dx=2 \log {\left (x^{3} - 3 x \right )} + \log {\left (\log {\left (x \right )} - \frac {1}{x} \right )} \]
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Time = 0.21 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.20 \[ \int \frac {3-3 x-5 x^2+x^3+\left (-6 x+6 x^3\right ) \log (x)}{3 x-x^3+\left (-3 x^2+x^4\right ) \log (x)} \, dx=2 \, \log \left (x^{2} - 3\right ) + 2 \, \log \left (x\right ) + \log \left (\frac {x \log \left (x\right ) - 1}{x}\right ) \]
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Time = 0.26 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.95 \[ \int \frac {3-3 x-5 x^2+x^3+\left (-6 x+6 x^3\right ) \log (x)}{3 x-x^3+\left (-3 x^2+x^4\right ) \log (x)} \, dx=2 \, \log \left (x^{2} - 3\right ) + \log \left (-x \log \left (x\right ) + 1\right ) + \log \left (x\right ) \]
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Time = 12.23 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.10 \[ \int \frac {3-3 x-5 x^2+x^3+\left (-6 x+6 x^3\right ) \log (x)}{3 x-x^3+\left (-3 x^2+x^4\right ) \log (x)} \, dx=2\,\ln \left (x^3-3\,x\right )+\ln \left (\frac {x\,\ln \left (x\right )-1}{x}\right ) \]
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