Integrand size = 12, antiderivative size = 17 \[ \int \frac {x}{6-5 x+x^2} \, dx=-2 \log (2-x)+3 \log (3-x) \]
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Time = 0.00 (sec) , antiderivative size = 17, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.167, Rules used = {646, 31} \[ \int \frac {x}{6-5 x+x^2} \, dx=3 \log (3-x)-2 \log (2-x) \]
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Rule 31
Rule 646
Rubi steps \begin{align*} \text {integral}& = -\left (2 \int \frac {1}{-2+x} \, dx\right )+3 \int \frac {1}{-3+x} \, dx \\ & = -2 \log (2-x)+3 \log (3-x) \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 17, normalized size of antiderivative = 1.00 \[ \int \frac {x}{6-5 x+x^2} \, dx=-2 \log (2-x)+3 \log (3-x) \]
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Time = 0.17 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.82
method | result | size |
default | \(-2 \ln \left (-2+x \right )+3 \ln \left (-3+x \right )\) | \(14\) |
norman | \(-2 \ln \left (-2+x \right )+3 \ln \left (-3+x \right )\) | \(14\) |
risch | \(-2 \ln \left (-2+x \right )+3 \ln \left (-3+x \right )\) | \(14\) |
parallelrisch | \(-2 \ln \left (-2+x \right )+3 \ln \left (-3+x \right )\) | \(14\) |
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none
Time = 0.27 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.76 \[ \int \frac {x}{6-5 x+x^2} \, dx=-2 \, \log \left (x - 2\right ) + 3 \, \log \left (x - 3\right ) \]
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Time = 0.04 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.71 \[ \int \frac {x}{6-5 x+x^2} \, dx=3 \log {\left (x - 3 \right )} - 2 \log {\left (x - 2 \right )} \]
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none
Time = 0.20 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.76 \[ \int \frac {x}{6-5 x+x^2} \, dx=-2 \, \log \left (x - 2\right ) + 3 \, \log \left (x - 3\right ) \]
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none
Time = 0.27 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.88 \[ \int \frac {x}{6-5 x+x^2} \, dx=-2 \, \log \left ({\left | x - 2 \right |}\right ) + 3 \, \log \left ({\left | x - 3 \right |}\right ) \]
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Time = 0.05 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.76 \[ \int \frac {x}{6-5 x+x^2} \, dx=3\,\ln \left (x-3\right )-2\,\ln \left (x-2\right ) \]
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