Integrand size = 11, antiderivative size = 14 \[ \int \frac {6-x}{-5+x} \, dx=-8+e^4-x+\log (2)+\log (-5+x) \]
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Time = 0.00 (sec) , antiderivative size = 10, normalized size of antiderivative = 0.71, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.091, Rules used = {45} \[ \int \frac {6-x}{-5+x} \, dx=\log (5-x)-x \]
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Rule 45
Rubi steps \begin{align*} \text {integral}& = \int \left (-1+\frac {1}{-5+x}\right ) \, dx \\ & = -x+\log (5-x) \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 8, normalized size of antiderivative = 0.57 \[ \int \frac {6-x}{-5+x} \, dx=-x+\log (-5+x) \]
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Time = 0.06 (sec) , antiderivative size = 9, normalized size of antiderivative = 0.64
method | result | size |
default | \(-x +\ln \left (-5+x \right )\) | \(9\) |
norman | \(-x +\ln \left (-5+x \right )\) | \(9\) |
risch | \(-x +\ln \left (-5+x \right )\) | \(9\) |
parallelrisch | \(-x +\ln \left (-5+x \right )\) | \(9\) |
meijerg | \(\ln \left (1-\frac {x}{5}\right )-x\) | \(11\) |
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none
Time = 0.24 (sec) , antiderivative size = 8, normalized size of antiderivative = 0.57 \[ \int \frac {6-x}{-5+x} \, dx=-x + \log \left (x - 5\right ) \]
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Time = 0.03 (sec) , antiderivative size = 5, normalized size of antiderivative = 0.36 \[ \int \frac {6-x}{-5+x} \, dx=- x + \log {\left (x - 5 \right )} \]
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none
Time = 0.19 (sec) , antiderivative size = 8, normalized size of antiderivative = 0.57 \[ \int \frac {6-x}{-5+x} \, dx=-x + \log \left (x - 5\right ) \]
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none
Time = 0.28 (sec) , antiderivative size = 9, normalized size of antiderivative = 0.64 \[ \int \frac {6-x}{-5+x} \, dx=-x + \log \left ({\left | x - 5 \right |}\right ) \]
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Time = 0.03 (sec) , antiderivative size = 8, normalized size of antiderivative = 0.57 \[ \int \frac {6-x}{-5+x} \, dx=\ln \left (x-5\right )-x \]
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