Integrand size = 21, antiderivative size = 15 \[ \int \frac {2+x-2 \log (x)}{\left (2 x+x^2\right ) \log (x)} \, dx=\log \left (\frac {3 (-2-x) \log (x)}{50 x}\right ) \]
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Time = 0.11 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.80, number of steps used = 8, number of rules used = 6, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.286, Rules used = {1607, 6874, 36, 29, 31, 2339} \[ \int \frac {2+x-2 \log (x)}{\left (2 x+x^2\right ) \log (x)} \, dx=-\log (x)+\log (x+2)+\log (\log (x)) \]
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Rule 29
Rule 31
Rule 36
Rule 1607
Rule 2339
Rule 6874
Rubi steps \begin{align*} \text {integral}& = \int \frac {2+x-2 \log (x)}{x (2+x) \log (x)} \, dx \\ & = \int \left (-\frac {2}{x (2+x)}+\frac {1}{x \log (x)}\right ) \, dx \\ & = -\left (2 \int \frac {1}{x (2+x)} \, dx\right )+\int \frac {1}{x \log (x)} \, dx \\ & = -\int \frac {1}{x} \, dx+\int \frac {1}{2+x} \, dx+\text {Subst}\left (\int \frac {1}{x} \, dx,x,\log (x)\right ) \\ & = -\log (x)+\log (2+x)+\log (\log (x)) \\ \end{align*}
Time = 0.09 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.80 \[ \int \frac {2+x-2 \log (x)}{\left (2 x+x^2\right ) \log (x)} \, dx=-\log (x)+\log (2+x)+\log (\log (x)) \]
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Time = 0.46 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.87
method | result | size |
default | \(\ln \left (\ln \left (x \right )\right )-\ln \left (x \right )+\ln \left (2+x \right )\) | \(13\) |
norman | \(\ln \left (\ln \left (x \right )\right )-\ln \left (x \right )+\ln \left (2+x \right )\) | \(13\) |
risch | \(\ln \left (\ln \left (x \right )\right )-\ln \left (x \right )+\ln \left (2+x \right )\) | \(13\) |
parallelrisch | \(\ln \left (\ln \left (x \right )\right )-\ln \left (x \right )+\ln \left (2+x \right )\) | \(13\) |
parts | \(\ln \left (\ln \left (x \right )\right )-\ln \left (x \right )+\ln \left (2+x \right )\) | \(13\) |
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none
Time = 0.26 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.80 \[ \int \frac {2+x-2 \log (x)}{\left (2 x+x^2\right ) \log (x)} \, dx=\log \left (x + 2\right ) - \log \left (x\right ) + \log \left (\log \left (x\right )\right ) \]
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Time = 0.06 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.80 \[ \int \frac {2+x-2 \log (x)}{\left (2 x+x^2\right ) \log (x)} \, dx=- \log {\left (x \right )} + \log {\left (x + 2 \right )} + \log {\left (\log {\left (x \right )} \right )} \]
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none
Time = 0.22 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.80 \[ \int \frac {2+x-2 \log (x)}{\left (2 x+x^2\right ) \log (x)} \, dx=\log \left (x + 2\right ) - \log \left (x\right ) + \log \left (\log \left (x\right )\right ) \]
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none
Time = 0.27 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.80 \[ \int \frac {2+x-2 \log (x)}{\left (2 x+x^2\right ) \log (x)} \, dx=\log \left (x + 2\right ) - \log \left (x\right ) + \log \left (\log \left (x\right )\right ) \]
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Time = 14.44 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.80 \[ \int \frac {2+x-2 \log (x)}{\left (2 x+x^2\right ) \log (x)} \, dx=\ln \left (x+2\right )+\ln \left (\ln \left (x\right )\right )-\ln \left (x\right ) \]
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