Integrand size = 112, antiderivative size = 26 \[ \int \frac {\left (6 x+2 x^2\right ) \log \left (\frac {3+x}{3}\right )+\left (\left (2 x-x^2\right ) \log (2-x)+\left (6-13 x+x^2+2 x^3\right ) \log (2-x) \log \left (\frac {3+x}{3}\right )\right ) \log (\log (2-x))}{\left (-6 x+x^2+x^3\right ) \log (2-x) \log \left (\frac {3+x}{3}\right ) \log (\log (2-x))} \, dx=2 x-\log \left (\frac {x \log \left (\frac {3+x}{3}\right )}{\log ^2(\log (2-x))}\right ) \]
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\[ \int \frac {\left (6 x+2 x^2\right ) \log \left (\frac {3+x}{3}\right )+\left (\left (2 x-x^2\right ) \log (2-x)+\left (6-13 x+x^2+2 x^3\right ) \log (2-x) \log \left (\frac {3+x}{3}\right )\right ) \log (\log (2-x))}{\left (-6 x+x^2+x^3\right ) \log (2-x) \log \left (\frac {3+x}{3}\right ) \log (\log (2-x))} \, dx=\int \frac {\left (6 x+2 x^2\right ) \log \left (\frac {3+x}{3}\right )+\left (\left (2 x-x^2\right ) \log (2-x)+\left (6-13 x+x^2+2 x^3\right ) \log (2-x) \log \left (\frac {3+x}{3}\right )\right ) \log (\log (2-x))}{\left (-6 x+x^2+x^3\right ) \log (2-x) \log \left (\frac {3+x}{3}\right ) \log (\log (2-x))} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \frac {\left (6 x+2 x^2\right ) \log \left (\frac {3+x}{3}\right )+\left (\left (2 x-x^2\right ) \log (2-x)+\left (6-13 x+x^2+2 x^3\right ) \log (2-x) \log \left (\frac {3+x}{3}\right )\right ) \log (\log (2-x))}{x \left (-6+x+x^2\right ) \log (2-x) \log \left (\frac {3+x}{3}\right ) \log (\log (2-x))} \, dx \\ & = \int \left (\frac {-x+\log (27)+5 x \log \left (\frac {3+x}{3}\right )+2 x^2 \log \left (\frac {3+x}{3}\right )-3 \log (3+x)}{x (3+x) \log \left (1+\frac {x}{3}\right )}+\frac {2}{(-2+x) \log (2-x) \log (\log (2-x))}\right ) \, dx \\ & = 2 \int \frac {1}{(-2+x) \log (2-x) \log (\log (2-x))} \, dx+\int \frac {-x+\log (27)+5 x \log \left (\frac {3+x}{3}\right )+2 x^2 \log \left (\frac {3+x}{3}\right )-3 \log (3+x)}{x (3+x) \log \left (1+\frac {x}{3}\right )} \, dx \\ & = 2 \log (\log (\log (2-x)))+\int \left (\frac {-x+\log (27)+5 x \log \left (\frac {3+x}{3}\right )+2 x^2 \log \left (\frac {3+x}{3}\right )}{x (3+x) \log \left (1+\frac {x}{3}\right )}+\frac {3 \log (3+x)}{(-3-x) x \log \left (1+\frac {x}{3}\right )}\right ) \, dx \\ & = 2 \log (\log (\log (2-x)))+3 \int \frac {\log (3+x)}{(-3-x) x \log \left (1+\frac {x}{3}\right )} \, dx+\int \frac {-x+\log (27)+5 x \log \left (\frac {3+x}{3}\right )+2 x^2 \log \left (\frac {3+x}{3}\right )}{x (3+x) \log \left (1+\frac {x}{3}\right )} \, dx \\ & = 2 \log (\log (\log (2-x)))+3 \int \left (-\frac {\log (3+x)}{3 x \log \left (1+\frac {x}{3}\right )}+\frac {\log (3+x)}{3 (3+x) \log \left (1+\frac {x}{3}\right )}\right ) \, dx+\int \frac {-x+\log (27)+x (5+2 x) \log \left (\frac {3+x}{3}\right )}{x (3+x) \log \left (1+\frac {x}{3}\right )} \, dx \\ & = 2 \log (\log (\log (2-x)))+\int \left (\frac {5+2 x}{3+x}+\frac {-x+\log (27)}{x (3+x) \log \left (1+\frac {x}{3}\right )}\right ) \, dx-\int \frac {\log (3+x)}{x \log \left (1+\frac {x}{3}\right )} \, dx+\int \frac {\log (3+x)}{(3+x) \log \left (1+\frac {x}{3}\right )} \, dx \\ & = 2 \log (\log (\log (2-x)))+3 \text {Subst}\left (\int \frac {\log (3 x)}{3 x \log (x)} \, dx,x,1+\frac {x}{3}\right )+\int \frac {5+2 x}{3+x} \, dx+\int \frac {-x+\log (27)}{x (3+x) \log \left (1+\frac {x}{3}\right )} \, dx-\int \frac {\log (3+x)}{x \log \left (1+\frac {x}{3}\right )} \, dx \\ & = 2 \log (\log (\log (2-x)))+\int \left (2+\frac {1}{-3-x}\right ) \, dx+\int \left (\frac {-3-\log (27)}{3 (3+x) \log \left (1+\frac {x}{3}\right )}+\frac {\log (27)}{3 x \log \left (1+\frac {x}{3}\right )}\right ) \, dx-\int \frac {\log (3+x)}{x \log \left (1+\frac {x}{3}\right )} \, dx+\text {Subst}\left (\int \frac {\log (3 x)}{x \log (x)} \, dx,x,1+\frac {x}{3}\right ) \\ & = 2 x-\log (3+x)+\log (3+x) \log \left (\log \left (\frac {3+x}{3}\right )\right )+2 \log (\log (\log (2-x)))+\frac {1}{3} (-3-\log (27)) \int \frac {1}{(3+x) \log \left (1+\frac {x}{3}\right )} \, dx+\frac {1}{3} \log (27) \int \frac {1}{x \log \left (1+\frac {x}{3}\right )} \, dx-\int \frac {\log (3+x)}{x \log \left (1+\frac {x}{3}\right )} \, dx-\text {Subst}\left (\int \frac {\log (\log (x))}{x} \, dx,x,1+\frac {x}{3}\right ) \\ & = 2 x-\log \left (\frac {3+x}{3}\right ) \log \left (\log \left (\frac {3+x}{3}\right )\right )+\log (3+x) \log \left (\log \left (\frac {3+x}{3}\right )\right )+2 \log (\log (\log (2-x)))+(-3-\log (27)) \text {Subst}\left (\int \frac {1}{3 x \log (x)} \, dx,x,1+\frac {x}{3}\right )+\frac {1}{3} \log (27) \int \frac {1}{x \log \left (1+\frac {x}{3}\right )} \, dx-\int \frac {\log (3+x)}{x \log \left (1+\frac {x}{3}\right )} \, dx \\ & = 2 x-\log \left (\frac {3+x}{3}\right ) \log \left (\log \left (\frac {3+x}{3}\right )\right )+\log (3+x) \log \left (\log \left (\frac {3+x}{3}\right )\right )+2 \log (\log (\log (2-x)))+\frac {1}{3} (-3-\log (27)) \text {Subst}\left (\int \frac {1}{x \log (x)} \, dx,x,1+\frac {x}{3}\right )+\frac {1}{3} \log (27) \int \frac {1}{x \log \left (1+\frac {x}{3}\right )} \, dx-\int \frac {\log (3+x)}{x \log \left (1+\frac {x}{3}\right )} \, dx \\ & = 2 x-\log \left (\frac {3+x}{3}\right ) \log \left (\log \left (\frac {3+x}{3}\right )\right )+\log (3+x) \log \left (\log \left (\frac {3+x}{3}\right )\right )+2 \log (\log (\log (2-x)))+\frac {1}{3} (-3-\log (27)) \text {Subst}\left (\int \frac {1}{x} \, dx,x,\log \left (\frac {3+x}{3}\right )\right )+\frac {1}{3} \log (27) \int \frac {1}{x \log \left (1+\frac {x}{3}\right )} \, dx-\int \frac {\log (3+x)}{x \log \left (1+\frac {x}{3}\right )} \, dx \\ & = 2 x-\frac {1}{3} (3+\log (27)) \log \left (\log \left (\frac {3+x}{3}\right )\right )-\log \left (\frac {3+x}{3}\right ) \log \left (\log \left (\frac {3+x}{3}\right )\right )+\log (3+x) \log \left (\log \left (\frac {3+x}{3}\right )\right )+2 \log (\log (\log (2-x)))+\frac {1}{3} \log (27) \int \frac {1}{x \log \left (1+\frac {x}{3}\right )} \, dx-\int \frac {\log (3+x)}{x \log \left (1+\frac {x}{3}\right )} \, dx \\ \end{align*}
Time = 0.80 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.12 \[ \int \frac {\left (6 x+2 x^2\right ) \log \left (\frac {3+x}{3}\right )+\left (\left (2 x-x^2\right ) \log (2-x)+\left (6-13 x+x^2+2 x^3\right ) \log (2-x) \log \left (\frac {3+x}{3}\right )\right ) \log (\log (2-x))}{\left (-6 x+x^2+x^3\right ) \log (2-x) \log \left (\frac {3+x}{3}\right ) \log (\log (2-x))} \, dx=2 x-\log (x)-\log \left (\log \left (\frac {3+x}{3}\right )\right )+2 \log (\log (\log (2-x))) \]
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Time = 3.46 (sec) , antiderivative size = 28, normalized size of antiderivative = 1.08
method | result | size |
risch | \(2 x -\ln \left (x \right )-\ln \left (\ln \left (1+\frac {x}{3}\right )\right )+2 \ln \left (\ln \left (\ln \left (2-x \right )\right )\right )\) | \(28\) |
parts | \(2 x -\ln \left (x \right )-\ln \left (\ln \left (1+\frac {x}{3}\right )\right )+2 \ln \left (\ln \left (\ln \left (2-x \right )\right )\right )\) | \(28\) |
parallelrisch | \(11-\ln \left (x \right )-\ln \left (\ln \left (1+\frac {x}{3}\right )\right )+2 \ln \left (\ln \left (\ln \left (2-x \right )\right )\right )+2 x\) | \(29\) |
default | \(2 x +6-\ln \left (x \right )-\ln \left (\ln \left (3\right )-\ln \left (3+x \right )\right )+2 \ln \left (\ln \left (\ln \left (2-x \right )\right )\right )\) | \(32\) |
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Time = 0.26 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.04 \[ \int \frac {\left (6 x+2 x^2\right ) \log \left (\frac {3+x}{3}\right )+\left (\left (2 x-x^2\right ) \log (2-x)+\left (6-13 x+x^2+2 x^3\right ) \log (2-x) \log \left (\frac {3+x}{3}\right )\right ) \log (\log (2-x))}{\left (-6 x+x^2+x^3\right ) \log (2-x) \log \left (\frac {3+x}{3}\right ) \log (\log (2-x))} \, dx=2 \, x - \log \left (x\right ) - \log \left (\log \left (\frac {1}{3} \, x + 1\right )\right ) + 2 \, \log \left (\log \left (\log \left (-x + 2\right )\right )\right ) \]
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Time = 0.17 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.92 \[ \int \frac {\left (6 x+2 x^2\right ) \log \left (\frac {3+x}{3}\right )+\left (\left (2 x-x^2\right ) \log (2-x)+\left (6-13 x+x^2+2 x^3\right ) \log (2-x) \log \left (\frac {3+x}{3}\right )\right ) \log (\log (2-x))}{\left (-6 x+x^2+x^3\right ) \log (2-x) \log \left (\frac {3+x}{3}\right ) \log (\log (2-x))} \, dx=2 x - \log {\left (x \right )} - \log {\left (\log {\left (\frac {x}{3} + 1 \right )} \right )} + 2 \log {\left (\log {\left (\log {\left (2 - x \right )} \right )} \right )} \]
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Time = 0.41 (sec) , antiderivative size = 30, normalized size of antiderivative = 1.15 \[ \int \frac {\left (6 x+2 x^2\right ) \log \left (\frac {3+x}{3}\right )+\left (\left (2 x-x^2\right ) \log (2-x)+\left (6-13 x+x^2+2 x^3\right ) \log (2-x) \log \left (\frac {3+x}{3}\right )\right ) \log (\log (2-x))}{\left (-6 x+x^2+x^3\right ) \log (2-x) \log \left (\frac {3+x}{3}\right ) \log (\log (2-x))} \, dx=2 \, x - \log \left (x\right ) - \log \left (-\log \left (3\right ) + \log \left (x + 3\right )\right ) + 2 \, \log \left (\log \left (\log \left (-x + 2\right )\right )\right ) \]
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Time = 0.31 (sec) , antiderivative size = 33, normalized size of antiderivative = 1.27 \[ \int \frac {\left (6 x+2 x^2\right ) \log \left (\frac {3+x}{3}\right )+\left (\left (2 x-x^2\right ) \log (2-x)+\left (6-13 x+x^2+2 x^3\right ) \log (2-x) \log \left (\frac {3+x}{3}\right )\right ) \log (\log (2-x))}{\left (-6 x+x^2+x^3\right ) \log (2-x) \log \left (\frac {3+x}{3}\right ) \log (\log (2-x))} \, dx=2 \, x - \log \left (-x\right ) - \log \left (-\log \left (3\right ) + \log \left (x + 3\right )\right ) + 2 \, \log \left (\log \left (\log \left (-x + 2\right )\right )\right ) - 4 \]
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Time = 11.29 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.04 \[ \int \frac {\left (6 x+2 x^2\right ) \log \left (\frac {3+x}{3}\right )+\left (\left (2 x-x^2\right ) \log (2-x)+\left (6-13 x+x^2+2 x^3\right ) \log (2-x) \log \left (\frac {3+x}{3}\right )\right ) \log (\log (2-x))}{\left (-6 x+x^2+x^3\right ) \log (2-x) \log \left (\frac {3+x}{3}\right ) \log (\log (2-x))} \, dx=2\,x-\ln \left (\ln \left (\frac {x}{3}+1\right )\right )+2\,\ln \left (\ln \left (\ln \left (2-x\right )\right )\right )-\ln \left (x\right ) \]
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