Integrand size = 128, antiderivative size = 30 \[ \int \frac {-20-2 x+\left (-20 x-2 x^2\right ) \log (x)+\left (\left (-40 x-2 x^2\right ) \log \left (\frac {16}{60 x+3 x^2}\right )+\left (-40 x-2 x^2\right ) \log (x) \log \left (\frac {16}{60 x+3 x^2}\right )\right ) \log (1+x \log (x))}{\left (20 x+x^2\right ) \log \left (\frac {16}{60 x+3 x^2}\right )+\left (20 x^2+x^3\right ) \log (x) \log \left (\frac {16}{60 x+3 x^2}\right )} \, dx=\log \left (\log \left (\frac {4}{3 \left (5+\frac {x}{4}\right ) x}\right )\right )-\log ^2(1+x \log (x)) \]
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\[ \int \frac {-20-2 x+\left (-20 x-2 x^2\right ) \log (x)+\left (\left (-40 x-2 x^2\right ) \log \left (\frac {16}{60 x+3 x^2}\right )+\left (-40 x-2 x^2\right ) \log (x) \log \left (\frac {16}{60 x+3 x^2}\right )\right ) \log (1+x \log (x))}{\left (20 x+x^2\right ) \log \left (\frac {16}{60 x+3 x^2}\right )+\left (20 x^2+x^3\right ) \log (x) \log \left (\frac {16}{60 x+3 x^2}\right )} \, dx=\int \frac {-20-2 x+\left (-20 x-2 x^2\right ) \log (x)+\left (\left (-40 x-2 x^2\right ) \log \left (\frac {16}{60 x+3 x^2}\right )+\left (-40 x-2 x^2\right ) \log (x) \log \left (\frac {16}{60 x+3 x^2}\right )\right ) \log (1+x \log (x))}{\left (20 x+x^2\right ) \log \left (\frac {16}{60 x+3 x^2}\right )+\left (20 x^2+x^3\right ) \log (x) \log \left (\frac {16}{60 x+3 x^2}\right )} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \frac {-20-2 x+\left (-20 x-2 x^2\right ) \log (x)+\left (\left (-40 x-2 x^2\right ) \log \left (\frac {16}{60 x+3 x^2}\right )+\left (-40 x-2 x^2\right ) \log (x) \log \left (\frac {16}{60 x+3 x^2}\right )\right ) \log (1+x \log (x))}{x (20+x) (1+x \log (x)) \log \left (\frac {16}{x (60+3 x)}\right )} \, dx \\ & = \int \left (\frac {2 (-10-x)}{x (20+x) \log \left (\frac {16}{x (60+3 x)}\right )}-\frac {2 (1+\log (x)) \log (1+x \log (x))}{1+x \log (x)}\right ) \, dx \\ & = 2 \int \frac {-10-x}{x (20+x) \log \left (\frac {16}{x (60+3 x)}\right )} \, dx-2 \int \frac {(1+\log (x)) \log (1+x \log (x))}{1+x \log (x)} \, dx \\ & = -\log ^2(1+x \log (x))+2 \int \frac {-10-x}{x (20+x) \log \left (\frac {16}{x (60+3 x)}\right )} \, dx \\ \end{align*}
Time = 0.09 (sec) , antiderivative size = 35, normalized size of antiderivative = 1.17 \[ \int \frac {-20-2 x+\left (-20 x-2 x^2\right ) \log (x)+\left (\left (-40 x-2 x^2\right ) \log \left (\frac {16}{60 x+3 x^2}\right )+\left (-40 x-2 x^2\right ) \log (x) \log \left (\frac {16}{60 x+3 x^2}\right )\right ) \log (1+x \log (x))}{\left (20 x+x^2\right ) \log \left (\frac {16}{60 x+3 x^2}\right )+\left (20 x^2+x^3\right ) \log (x) \log \left (\frac {16}{60 x+3 x^2}\right )} \, dx=-2 \left (\frac {1}{2} \log ^2(1+x \log (x))-\frac {1}{2} \log \left (\log \left (\frac {16}{60 x+3 x^2}\right )\right )\right ) \]
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Time = 9.98 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.83
method | result | size |
parallelrisch | \(-\ln \left (x \ln \left (x \right )+1\right )^{2}+\ln \left (\ln \left (\frac {16}{3 x \left (20+x \right )}\right )\right )\) | \(25\) |
default | \(-\ln \left (x \ln \left (x \right )+1\right )^{2}+\ln \left (4 \ln \left (2\right )-\ln \left (3\right )+\ln \left (\frac {1}{x \left (20+x \right )}\right )\right )\) | \(33\) |
risch | \(-\ln \left (x \ln \left (x \right )+1\right )^{2}+\ln \left (-\pi \,\operatorname {csgn}\left (\frac {i}{x}\right ) \operatorname {csgn}\left (\frac {i}{20+x}\right ) \operatorname {csgn}\left (\frac {i}{x \left (20+x \right )}\right )+\pi \,\operatorname {csgn}\left (\frac {i}{x}\right ) \operatorname {csgn}\left (\frac {i}{x \left (20+x \right )}\right )^{2}+\pi \,\operatorname {csgn}\left (\frac {i}{20+x}\right ) \operatorname {csgn}\left (\frac {i}{x \left (20+x \right )}\right )^{2}-\pi \operatorname {csgn}\left (\frac {i}{x \left (20+x \right )}\right )^{3}+2 i \ln \left (3\right )-8 i \ln \left (2\right )+2 i \ln \left (x \right )+2 i \ln \left (20+x \right )\right )\) | \(133\) |
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Time = 0.26 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.83 \[ \int \frac {-20-2 x+\left (-20 x-2 x^2\right ) \log (x)+\left (\left (-40 x-2 x^2\right ) \log \left (\frac {16}{60 x+3 x^2}\right )+\left (-40 x-2 x^2\right ) \log (x) \log \left (\frac {16}{60 x+3 x^2}\right )\right ) \log (1+x \log (x))}{\left (20 x+x^2\right ) \log \left (\frac {16}{60 x+3 x^2}\right )+\left (20 x^2+x^3\right ) \log (x) \log \left (\frac {16}{60 x+3 x^2}\right )} \, dx=-\log \left (x \log \left (x\right ) + 1\right )^{2} + \log \left (\log \left (\frac {16}{3 \, {\left (x^{2} + 20 \, x\right )}}\right )\right ) \]
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Time = 0.50 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.73 \[ \int \frac {-20-2 x+\left (-20 x-2 x^2\right ) \log (x)+\left (\left (-40 x-2 x^2\right ) \log \left (\frac {16}{60 x+3 x^2}\right )+\left (-40 x-2 x^2\right ) \log (x) \log \left (\frac {16}{60 x+3 x^2}\right )\right ) \log (1+x \log (x))}{\left (20 x+x^2\right ) \log \left (\frac {16}{60 x+3 x^2}\right )+\left (20 x^2+x^3\right ) \log (x) \log \left (\frac {16}{60 x+3 x^2}\right )} \, dx=- \log {\left (x \log {\left (x \right )} + 1 \right )}^{2} + \log {\left (\log {\left (\frac {16}{3 x^{2} + 60 x} \right )} \right )} \]
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\[ \int \frac {-20-2 x+\left (-20 x-2 x^2\right ) \log (x)+\left (\left (-40 x-2 x^2\right ) \log \left (\frac {16}{60 x+3 x^2}\right )+\left (-40 x-2 x^2\right ) \log (x) \log \left (\frac {16}{60 x+3 x^2}\right )\right ) \log (1+x \log (x))}{\left (20 x+x^2\right ) \log \left (\frac {16}{60 x+3 x^2}\right )+\left (20 x^2+x^3\right ) \log (x) \log \left (\frac {16}{60 x+3 x^2}\right )} \, dx=\int { -\frac {2 \, {\left ({\left ({\left (x^{2} + 20 \, x\right )} \log \left (x\right ) \log \left (\frac {16}{3 \, {\left (x^{2} + 20 \, x\right )}}\right ) + {\left (x^{2} + 20 \, x\right )} \log \left (\frac {16}{3 \, {\left (x^{2} + 20 \, x\right )}}\right )\right )} \log \left (x \log \left (x\right ) + 1\right ) + {\left (x^{2} + 10 \, x\right )} \log \left (x\right ) + x + 10\right )}}{{\left (x^{3} + 20 \, x^{2}\right )} \log \left (x\right ) \log \left (\frac {16}{3 \, {\left (x^{2} + 20 \, x\right )}}\right ) + {\left (x^{2} + 20 \, x\right )} \log \left (\frac {16}{3 \, {\left (x^{2} + 20 \, x\right )}}\right )} \,d x } \]
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Time = 0.33 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.87 \[ \int \frac {-20-2 x+\left (-20 x-2 x^2\right ) \log (x)+\left (\left (-40 x-2 x^2\right ) \log \left (\frac {16}{60 x+3 x^2}\right )+\left (-40 x-2 x^2\right ) \log (x) \log \left (\frac {16}{60 x+3 x^2}\right )\right ) \log (1+x \log (x))}{\left (20 x+x^2\right ) \log \left (\frac {16}{60 x+3 x^2}\right )+\left (20 x^2+x^3\right ) \log (x) \log \left (\frac {16}{60 x+3 x^2}\right )} \, dx=-\log \left (x \log \left (x\right ) + 1\right )^{2} + \log \left (-4 \, \log \left (2\right ) + \log \left (3 \, x + 60\right ) + \log \left (x\right )\right ) \]
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Time = 12.06 (sec) , antiderivative size = 27, normalized size of antiderivative = 0.90 \[ \int \frac {-20-2 x+\left (-20 x-2 x^2\right ) \log (x)+\left (\left (-40 x-2 x^2\right ) \log \left (\frac {16}{60 x+3 x^2}\right )+\left (-40 x-2 x^2\right ) \log (x) \log \left (\frac {16}{60 x+3 x^2}\right )\right ) \log (1+x \log (x))}{\left (20 x+x^2\right ) \log \left (\frac {16}{60 x+3 x^2}\right )+\left (20 x^2+x^3\right ) \log (x) \log \left (\frac {16}{60 x+3 x^2}\right )} \, dx=\ln \left (\ln \left (\frac {16}{3\,x^2+60\,x}\right )\right )-{\ln \left (x\,\ln \left (x\right )+1\right )}^2 \]
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