Integrand size = 9, antiderivative size = 9 \[ \int \frac {1}{x (1+x)} \, dx=\log (x)-\log (1+x) \]
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Time = 0.00 (sec) , antiderivative size = 9, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.333, Rules used = {36, 29, 31} \[ \int \frac {1}{x (1+x)} \, dx=\log (x)-\log (x+1) \]
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Rule 29
Rule 31
Rule 36
Rubi steps \begin{align*} \text {integral}& = \int \frac {1}{x} \, dx-\int \frac {1}{1+x} \, dx \\ & = \log (x)-\log (1+x) \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 9, normalized size of antiderivative = 1.00 \[ \int \frac {1}{x (1+x)} \, dx=\log (x)-\log (1+x) \]
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Time = 0.09 (sec) , antiderivative size = 10, normalized size of antiderivative = 1.11
method | result | size |
default | \(\ln \left (x \right )-\ln \left (1+x \right )\) | \(10\) |
norman | \(\ln \left (x \right )-\ln \left (1+x \right )\) | \(10\) |
meijerg | \(\ln \left (x \right )-\ln \left (1+x \right )\) | \(10\) |
risch | \(\ln \left (x \right )-\ln \left (1+x \right )\) | \(10\) |
parallelrisch | \(\ln \left (x \right )-\ln \left (1+x \right )\) | \(10\) |
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none
Time = 0.23 (sec) , antiderivative size = 9, normalized size of antiderivative = 1.00 \[ \int \frac {1}{x (1+x)} \, dx=-\log \left (x + 1\right ) + \log \left (x\right ) \]
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Time = 0.04 (sec) , antiderivative size = 7, normalized size of antiderivative = 0.78 \[ \int \frac {1}{x (1+x)} \, dx=\log {\left (x \right )} - \log {\left (x + 1 \right )} \]
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none
Time = 0.19 (sec) , antiderivative size = 9, normalized size of antiderivative = 1.00 \[ \int \frac {1}{x (1+x)} \, dx=-\log \left (x + 1\right ) + \log \left (x\right ) \]
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none
Time = 0.27 (sec) , antiderivative size = 11, normalized size of antiderivative = 1.22 \[ \int \frac {1}{x (1+x)} \, dx=-\log \left ({\left | x + 1 \right |}\right ) + \log \left ({\left | x \right |}\right ) \]
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Time = 0.20 (sec) , antiderivative size = 8, normalized size of antiderivative = 0.89 \[ \int \frac {1}{x (1+x)} \, dx=-\ln \left (\frac {1}{x}+1\right ) \]
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