Integrand size = 7, antiderivative size = 12 \[ \int \frac {x}{(2+x)^2} \, dx=\frac {2}{2+x}+\log (2+x) \]
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Time = 0.00 (sec) , antiderivative size = 12, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.143, Rules used = {45} \[ \int \frac {x}{(2+x)^2} \, dx=\frac {2}{x+2}+\log (x+2) \]
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Rule 45
Rubi steps \begin{align*} \text {integral}& = \int \left (-\frac {2}{(2+x)^2}+\frac {1}{2+x}\right ) \, dx \\ & = \frac {2}{2+x}+\log (2+x) \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 12, normalized size of antiderivative = 1.00 \[ \int \frac {x}{(2+x)^2} \, dx=\frac {2}{2+x}+\log (2+x) \]
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Time = 0.14 (sec) , antiderivative size = 13, normalized size of antiderivative = 1.08
method | result | size |
default | \(\frac {2}{2+x}+\ln \left (2+x \right )\) | \(13\) |
norman | \(\frac {2}{2+x}+\ln \left (2+x \right )\) | \(13\) |
risch | \(\frac {2}{2+x}+\ln \left (2+x \right )\) | \(13\) |
meijerg | \(-\frac {x}{2 \left (1+\frac {x}{2}\right )}+\ln \left (1+\frac {x}{2}\right )\) | \(18\) |
parallelrisch | \(\frac {\ln \left (2+x \right ) x +2+2 \ln \left (2+x \right )}{2+x}\) | \(21\) |
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none
Time = 0.25 (sec) , antiderivative size = 16, normalized size of antiderivative = 1.33 \[ \int \frac {x}{(2+x)^2} \, dx=\frac {{\left (x + 2\right )} \log \left (x + 2\right ) + 2}{x + 2} \]
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Time = 0.03 (sec) , antiderivative size = 8, normalized size of antiderivative = 0.67 \[ \int \frac {x}{(2+x)^2} \, dx=\log {\left (x + 2 \right )} + \frac {2}{x + 2} \]
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none
Time = 0.19 (sec) , antiderivative size = 12, normalized size of antiderivative = 1.00 \[ \int \frac {x}{(2+x)^2} \, dx=\frac {2}{x + 2} + \log \left (x + 2\right ) \]
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none
Time = 0.29 (sec) , antiderivative size = 13, normalized size of antiderivative = 1.08 \[ \int \frac {x}{(2+x)^2} \, dx=\frac {2}{x + 2} + \log \left ({\left | x + 2 \right |}\right ) \]
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Time = 0.04 (sec) , antiderivative size = 12, normalized size of antiderivative = 1.00 \[ \int \frac {x}{(2+x)^2} \, dx=\ln \left (x+2\right )+\frac {2}{x+2} \]
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