Integrand size = 42, antiderivative size = 17 \[ \int \frac {8-4 x-4 \log (4)}{4-4 \log (4)+\log ^2(4)+(4 x-2 x \log (4)) \log (x)+x^2 \log ^2(x)} \, dx=1+\frac {4 x}{2-\log (4)+x \log (x)} \]
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\[ \int \frac {8-4 x-4 \log (4)}{4-4 \log (4)+\log ^2(4)+(4 x-2 x \log (4)) \log (x)+x^2 \log ^2(x)} \, dx=\int \frac {8-4 x-4 \log (4)}{4-4 \log (4)+\log ^2(4)+(4 x-2 x \log (4)) \log (x)+x^2 \log ^2(x)} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \frac {4 (2-x-\log (4))}{(2 (1-\log (2))+x \log (x))^2} \, dx \\ & = 4 \int \frac {2-x-\log (4)}{(2 (1-\log (2))+x \log (x))^2} \, dx \\ & = 4 \int \left (-\frac {x}{(2 (1-\log (2))+x \log (x))^2}+\frac {2 (1-\log (2))}{(2 (1-\log (2))+x \log (x))^2}\right ) \, dx \\ & = -\left (4 \int \frac {x}{(2 (1-\log (2))+x \log (x))^2} \, dx\right )+(8 (1-\log (2))) \int \frac {1}{(2 (1-\log (2))+x \log (x))^2} \, dx \\ \end{align*}
Time = 0.23 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.88 \[ \int \frac {8-4 x-4 \log (4)}{4-4 \log (4)+\log ^2(4)+(4 x-2 x \log (4)) \log (x)+x^2 \log ^2(x)} \, dx=\frac {4 x}{2-\log (4)+x \log (x)} \]
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Time = 1.46 (sec) , antiderivative size = 17, normalized size of antiderivative = 1.00
method | result | size |
default | \(-\frac {4 x}{-x \ln \left (x \right )+2 \ln \left (2\right )-2}\) | \(17\) |
norman | \(-\frac {4 x}{-x \ln \left (x \right )+2 \ln \left (2\right )-2}\) | \(17\) |
risch | \(-\frac {4 x}{-x \ln \left (x \right )+2 \ln \left (2\right )-2}\) | \(17\) |
parallelrisch | \(-\frac {4 x}{-x \ln \left (x \right )+2 \ln \left (2\right )-2}\) | \(17\) |
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Time = 0.32 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.88 \[ \int \frac {8-4 x-4 \log (4)}{4-4 \log (4)+\log ^2(4)+(4 x-2 x \log (4)) \log (x)+x^2 \log ^2(x)} \, dx=\frac {4 \, x}{x \log \left (x\right ) - 2 \, \log \left (2\right ) + 2} \]
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Time = 0.06 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.82 \[ \int \frac {8-4 x-4 \log (4)}{4-4 \log (4)+\log ^2(4)+(4 x-2 x \log (4)) \log (x)+x^2 \log ^2(x)} \, dx=\frac {4 x}{x \log {\left (x \right )} - 2 \log {\left (2 \right )} + 2} \]
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Time = 0.32 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.88 \[ \int \frac {8-4 x-4 \log (4)}{4-4 \log (4)+\log ^2(4)+(4 x-2 x \log (4)) \log (x)+x^2 \log ^2(x)} \, dx=\frac {4 \, x}{x \log \left (x\right ) - 2 \, \log \left (2\right ) + 2} \]
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Time = 0.29 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.88 \[ \int \frac {8-4 x-4 \log (4)}{4-4 \log (4)+\log ^2(4)+(4 x-2 x \log (4)) \log (x)+x^2 \log ^2(x)} \, dx=\frac {4 \, x}{x \log \left (x\right ) - 2 \, \log \left (2\right ) + 2} \]
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Time = 14.23 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.88 \[ \int \frac {8-4 x-4 \log (4)}{4-4 \log (4)+\log ^2(4)+(4 x-2 x \log (4)) \log (x)+x^2 \log ^2(x)} \, dx=\frac {4\,x}{x\,\ln \left (x\right )-\ln \left (4\right )+2} \]
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