Integrand size = 59, antiderivative size = 27 \[ \int \frac {(1-x) \log (5)}{-4 x-4 x^2+4 x \log \left (\frac {3 x}{4}\right )+\left (-4 x-4 x^2+4 x \log \left (\frac {3 x}{4}\right )\right ) \log \left (1+x-\log \left (\frac {3 x}{4}\right )\right )} \, dx=\frac {1}{4} \log (5) \left (1+\log \left (\frac {1}{2} \left (1+\log \left (1+x-\log \left (\frac {3 x}{4}\right )\right )\right )\right )\right ) \]
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Time = 0.10 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.78, number of steps used = 4, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.051, Rules used = {12, 6820, 6816} \[ \int \frac {(1-x) \log (5)}{-4 x-4 x^2+4 x \log \left (\frac {3 x}{4}\right )+\left (-4 x-4 x^2+4 x \log \left (\frac {3 x}{4}\right )\right ) \log \left (1+x-\log \left (\frac {3 x}{4}\right )\right )} \, dx=\frac {1}{4} \log (5) \log \left (\log \left (x-\log \left (\frac {3 x}{4}\right )+1\right )+1\right ) \]
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Rule 12
Rule 6816
Rule 6820
Rubi steps \begin{align*} \text {integral}& = \log (5) \int \frac {1-x}{-4 x-4 x^2+4 x \log \left (\frac {3 x}{4}\right )+\left (-4 x-4 x^2+4 x \log \left (\frac {3 x}{4}\right )\right ) \log \left (1+x-\log \left (\frac {3 x}{4}\right )\right )} \, dx \\ & = \log (5) \int \frac {-1+x}{4 x \left (1+x-\log \left (\frac {3 x}{4}\right )\right ) \left (1+\log \left (1+x-\log \left (\frac {3 x}{4}\right )\right )\right )} \, dx \\ & = \frac {1}{4} \log (5) \int \frac {-1+x}{x \left (1+x-\log \left (\frac {3 x}{4}\right )\right ) \left (1+\log \left (1+x-\log \left (\frac {3 x}{4}\right )\right )\right )} \, dx \\ & = \frac {1}{4} \log (5) \log \left (1+\log \left (1+x-\log \left (\frac {3 x}{4}\right )\right )\right ) \\ \end{align*}
Time = 0.19 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.78 \[ \int \frac {(1-x) \log (5)}{-4 x-4 x^2+4 x \log \left (\frac {3 x}{4}\right )+\left (-4 x-4 x^2+4 x \log \left (\frac {3 x}{4}\right )\right ) \log \left (1+x-\log \left (\frac {3 x}{4}\right )\right )} \, dx=\frac {1}{4} \log (5) \log \left (1+\log \left (1+x-\log \left (\frac {3 x}{4}\right )\right )\right ) \]
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Time = 19.45 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.67
method | result | size |
norman | \(\frac {\ln \left (5\right ) \ln \left (\ln \left (-\ln \left (\frac {3 x}{4}\right )+x +1\right )+1\right )}{4}\) | \(18\) |
risch | \(\frac {\ln \left (5\right ) \ln \left (\ln \left (-\ln \left (\frac {3 x}{4}\right )+x +1\right )+1\right )}{4}\) | \(18\) |
parallelrisch | \(\frac {\ln \left (5\right ) \ln \left (\ln \left (-\ln \left (\frac {3 x}{4}\right )+x +1\right )+1\right )}{4}\) | \(18\) |
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Time = 0.26 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.63 \[ \int \frac {(1-x) \log (5)}{-4 x-4 x^2+4 x \log \left (\frac {3 x}{4}\right )+\left (-4 x-4 x^2+4 x \log \left (\frac {3 x}{4}\right )\right ) \log \left (1+x-\log \left (\frac {3 x}{4}\right )\right )} \, dx=\frac {1}{4} \, \log \left (5\right ) \log \left (\log \left (x - \log \left (\frac {3}{4} \, x\right ) + 1\right ) + 1\right ) \]
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Time = 0.22 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.70 \[ \int \frac {(1-x) \log (5)}{-4 x-4 x^2+4 x \log \left (\frac {3 x}{4}\right )+\left (-4 x-4 x^2+4 x \log \left (\frac {3 x}{4}\right )\right ) \log \left (1+x-\log \left (\frac {3 x}{4}\right )\right )} \, dx=\frac {\log {\left (5 \right )} \log {\left (\log {\left (x - \log {\left (\frac {3 x}{4} \right )} + 1 \right )} + 1 \right )}}{4} \]
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Time = 0.31 (sec) , antiderivative size = 23, normalized size of antiderivative = 0.85 \[ \int \frac {(1-x) \log (5)}{-4 x-4 x^2+4 x \log \left (\frac {3 x}{4}\right )+\left (-4 x-4 x^2+4 x \log \left (\frac {3 x}{4}\right )\right ) \log \left (1+x-\log \left (\frac {3 x}{4}\right )\right )} \, dx=\frac {1}{4} \, \log \left (5\right ) \log \left (\log \left (x - \log \left (3\right ) + 2 \, \log \left (2\right ) - \log \left (x\right ) + 1\right ) + 1\right ) \]
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\[ \int \frac {(1-x) \log (5)}{-4 x-4 x^2+4 x \log \left (\frac {3 x}{4}\right )+\left (-4 x-4 x^2+4 x \log \left (\frac {3 x}{4}\right )\right ) \log \left (1+x-\log \left (\frac {3 x}{4}\right )\right )} \, dx=\int { \frac {{\left (x - 1\right )} \log \left (5\right )}{4 \, {\left (x^{2} - x \log \left (\frac {3}{4} \, x\right ) + {\left (x^{2} - x \log \left (\frac {3}{4} \, x\right ) + x\right )} \log \left (x - \log \left (\frac {3}{4} \, x\right ) + 1\right ) + x\right )}} \,d x } \]
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Time = 9.47 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.63 \[ \int \frac {(1-x) \log (5)}{-4 x-4 x^2+4 x \log \left (\frac {3 x}{4}\right )+\left (-4 x-4 x^2+4 x \log \left (\frac {3 x}{4}\right )\right ) \log \left (1+x-\log \left (\frac {3 x}{4}\right )\right )} \, dx=\frac {\ln \left (5\right )\,\ln \left (\ln \left (x-\ln \left (\frac {3\,x}{4}\right )+1\right )+1\right )}{4} \]
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