Integrand size = 22, antiderivative size = 21 \[ \int \frac {-6-x+x^2+x \log (5)}{-3 x+x^2} \, dx=x+\log \left (16 e^{-4+\log (5) \log (3-x)} x^2\right ) \]
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Time = 0.02 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.71, number of steps used = 4, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.136, Rules used = {6, 1607, 907} \[ \int \frac {-6-x+x^2+x \log (5)}{-3 x+x^2} \, dx=x+\log (5) \log (3-x)+2 \log (x) \]
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Rule 6
Rule 907
Rule 1607
Rubi steps \begin{align*} \text {integral}& = \int \frac {-6+x^2+x (-1+\log (5))}{-3 x+x^2} \, dx \\ & = \int \frac {-6+x^2+x (-1+\log (5))}{(-3+x) x} \, dx \\ & = \int \left (1+\frac {2}{x}+\frac {\log (5)}{-3+x}\right ) \, dx \\ & = x+\log (5) \log (3-x)+2 \log (x) \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.71 \[ \int \frac {-6-x+x^2+x \log (5)}{-3 x+x^2} \, dx=x+\log (5) \log (3-x)+2 \log (x) \]
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Time = 0.43 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.67
method | result | size |
default | \(x +\ln \left (5\right ) \ln \left (-3+x \right )+2 \ln \left (x \right )\) | \(14\) |
norman | \(x +\ln \left (5\right ) \ln \left (-3+x \right )+2 \ln \left (x \right )\) | \(14\) |
parallelrisch | \(x +\ln \left (5\right ) \ln \left (-3+x \right )+2 \ln \left (x \right )\) | \(14\) |
risch | \(x +2 \ln \left (x \right )+\ln \left (5\right ) \ln \left (-x +3\right )\) | \(16\) |
meijerg | \(2 \ln \left (x \right )-2 \ln \left (3\right )+2 i \pi +\ln \left (1-\frac {x}{3}\right )-3 \left (-\frac {\ln \left (5\right )}{3}+\frac {1}{3}\right ) \ln \left (1-\frac {x}{3}\right )+x\) | \(35\) |
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none
Time = 0.27 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.62 \[ \int \frac {-6-x+x^2+x \log (5)}{-3 x+x^2} \, dx=\log \left (5\right ) \log \left (x - 3\right ) + x + 2 \, \log \left (x\right ) \]
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Time = 0.30 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.14 \[ \int \frac {-6-x+x^2+x \log (5)}{-3 x+x^2} \, dx=x + 2 \log {\left (x \right )} + \log {\left (5 \right )} \log {\left (x + \frac {6 - 3 \log {\left (5 \right )}}{-2 + \log {\left (5 \right )}} \right )} \]
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none
Time = 0.19 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.62 \[ \int \frac {-6-x+x^2+x \log (5)}{-3 x+x^2} \, dx=\log \left (5\right ) \log \left (x - 3\right ) + x + 2 \, \log \left (x\right ) \]
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none
Time = 0.27 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.71 \[ \int \frac {-6-x+x^2+x \log (5)}{-3 x+x^2} \, dx=\log \left (5\right ) \log \left ({\left | x - 3 \right |}\right ) + x + 2 \, \log \left ({\left | x \right |}\right ) \]
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Time = 12.00 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.62 \[ \int \frac {-6-x+x^2+x \log (5)}{-3 x+x^2} \, dx=x+2\,\ln \left (x\right )+\ln \left (x-3\right )\,\ln \left (5\right ) \]
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