Integrand size = 25, antiderivative size = 19 \[ \int \frac {-432+216 x-3 x^2+36 \log (5)}{1296-72 x+x^2} \, dx=\frac {x (3 (4-x)-\log (5))}{-36+x} \]
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Time = 0.01 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.89, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.080, Rules used = {27, 697} \[ \int \frac {-432+216 x-3 x^2+36 \log (5)}{1296-72 x+x^2} \, dx=\frac {36 (96+\log (5))}{36-x}-3 x \]
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Rule 27
Rule 697
Rubi steps \begin{align*} \text {integral}& = \int \frac {-432+216 x-3 x^2+36 \log (5)}{(-36+x)^2} \, dx \\ & = \int \left (-3+\frac {36 (96+\log (5))}{(-36+x)^2}\right ) \, dx \\ & = -3 x+\frac {36 (96+\log (5))}{36-x} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.79 \[ \int \frac {-432+216 x-3 x^2+36 \log (5)}{1296-72 x+x^2} \, dx=-3 \left (x+\frac {12 (96+\log (5))}{-36+x}\right ) \]
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Time = 1.35 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.89
method | result | size |
gosper | \(-\frac {3 \left (x^{2}+12 \ln \left (5\right )-144\right )}{x -36}\) | \(17\) |
default | \(-3 x -\frac {3 \left (1152+12 \ln \left (5\right )\right )}{x -36}\) | \(18\) |
norman | \(\frac {-3 x^{2}+432-36 \ln \left (5\right )}{x -36}\) | \(18\) |
parallelrisch | \(-\frac {3 x^{2}-432+36 \ln \left (5\right )}{x -36}\) | \(19\) |
risch | \(-3 x -\frac {3456}{x -36}-\frac {36 \ln \left (5\right )}{x -36}\) | \(21\) |
meijerg | \(\frac {17 x}{3 \left (1-\frac {x}{36}\right )}+\frac {x \ln \left (5\right )}{-x +36}-\frac {x \left (-\frac {x}{12}+6\right )}{1-\frac {x}{36}}\) | \(39\) |
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none
Time = 0.24 (sec) , antiderivative size = 19, normalized size of antiderivative = 1.00 \[ \int \frac {-432+216 x-3 x^2+36 \log (5)}{1296-72 x+x^2} \, dx=-\frac {3 \, {\left (x^{2} - 36 \, x + 12 \, \log \left (5\right ) + 1152\right )}}{x - 36} \]
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Time = 0.07 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.74 \[ \int \frac {-432+216 x-3 x^2+36 \log (5)}{1296-72 x+x^2} \, dx=- 3 x - \frac {36 \log {\left (5 \right )} + 3456}{x - 36} \]
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none
Time = 0.19 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.79 \[ \int \frac {-432+216 x-3 x^2+36 \log (5)}{1296-72 x+x^2} \, dx=-3 \, x - \frac {36 \, {\left (\log \left (5\right ) + 96\right )}}{x - 36} \]
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none
Time = 0.27 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.79 \[ \int \frac {-432+216 x-3 x^2+36 \log (5)}{1296-72 x+x^2} \, dx=-3 \, x - \frac {36 \, {\left (\log \left (5\right ) + 96\right )}}{x - 36} \]
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Time = 17.15 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.89 \[ \int \frac {-432+216 x-3 x^2+36 \log (5)}{1296-72 x+x^2} \, dx=-3\,x-\frac {36\,\ln \left (5\right )+3456}{x-36} \]
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