Integrand size = 20, antiderivative size = 18 \[ \int \frac {-1-2 x+2 \log (\log (2))}{-x+\log (\log (2))} \, dx=-\frac {52}{25}+e^5+2 x+\log (x-\log (\log (2))) \]
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Time = 0.00 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.67, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.050, Rules used = {45} \[ \int \frac {-1-2 x+2 \log (\log (2))}{-x+\log (\log (2))} \, dx=2 x+\log (x-\log (\log (2))) \]
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Rule 45
Rubi steps \begin{align*} \text {integral}& = \int \left (2+\frac {1}{x-\log (\log (2))}\right ) \, dx \\ & = 2 x+\log (x-\log (\log (2))) \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 18, normalized size of antiderivative = 1.00 \[ \int \frac {-1-2 x+2 \log (\log (2))}{-x+\log (\log (2))} \, dx=2 (x-\log (\log (2)))+\log (x-\log (\log (2))) \]
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Time = 0.08 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.72
method | result | size |
default | \(2 x +\ln \left (x -\ln \left (\ln \left (2\right )\right )\right )\) | \(13\) |
norman | \(2 x +\ln \left (\ln \left (\ln \left (2\right )\right )-x \right )\) | \(13\) |
risch | \(2 x +\ln \left (x -\ln \left (\ln \left (2\right )\right )\right )\) | \(13\) |
parallelrisch | \(2 x +\ln \left (x -\ln \left (\ln \left (2\right )\right )\right )\) | \(13\) |
meijerg | \(-2 \ln \left (\ln \left (2\right )\right ) \ln \left (1-\frac {x}{\ln \left (\ln \left (2\right )\right )}\right )-2 \ln \left (\ln \left (2\right )\right ) \left (-\frac {x}{\ln \left (\ln \left (2\right )\right )}-\ln \left (1-\frac {x}{\ln \left (\ln \left (2\right )\right )}\right )\right )+\ln \left (1-\frac {x}{\ln \left (\ln \left (2\right )\right )}\right )\) | \(56\) |
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none
Time = 0.27 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.67 \[ \int \frac {-1-2 x+2 \log (\log (2))}{-x+\log (\log (2))} \, dx=2 \, x + \log \left (x - \log \left (\log \left (2\right )\right )\right ) \]
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Time = 0.04 (sec) , antiderivative size = 10, normalized size of antiderivative = 0.56 \[ \int \frac {-1-2 x+2 \log (\log (2))}{-x+\log (\log (2))} \, dx=2 x + \log {\left (x - \log {\left (\log {\left (2 \right )} \right )} \right )} \]
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none
Time = 0.18 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.67 \[ \int \frac {-1-2 x+2 \log (\log (2))}{-x+\log (\log (2))} \, dx=2 \, x + \log \left (x - \log \left (\log \left (2\right )\right )\right ) \]
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none
Time = 0.29 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.72 \[ \int \frac {-1-2 x+2 \log (\log (2))}{-x+\log (\log (2))} \, dx=2 \, x + \log \left ({\left | x - \log \left (\log \left (2\right )\right ) \right |}\right ) \]
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Time = 0.07 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.67 \[ \int \frac {-1-2 x+2 \log (\log (2))}{-x+\log (\log (2))} \, dx=2\,x+\ln \left (x-\ln \left (\ln \left (2\right )\right )\right ) \]
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