Integrand size = 33, antiderivative size = 21 \[ \int \frac {36+54 x-9 x^2+\left (18 x-3 x^2\right ) \log (4)}{9-6 x+x^2} \, dx=\frac {3 x^2 \left (-3-\frac {4}{x}-\log (4)\right )}{-3+x} \]
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Time = 0.02 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.061, Rules used = {27, 1864} \[ \int \frac {36+54 x-9 x^2+\left (18 x-3 x^2\right ) \log (4)}{9-6 x+x^2} \, dx=\frac {9 (13+\log (64))}{3-x}-3 x (3+\log (4)) \]
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Rule 27
Rule 1864
Rubi steps \begin{align*} \text {integral}& = \int \frac {36+54 x-9 x^2+\left (18 x-3 x^2\right ) \log (4)}{(-3+x)^2} \, dx \\ & = \int \left (-3 (3+\log (4))+\frac {9 (13+\log (64))}{(-3+x)^2}\right ) \, dx \\ & = -3 x (3+\log (4))+\frac {9 (13+\log (64))}{3-x} \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 28, normalized size of antiderivative = 1.33 \[ \int \frac {36+54 x-9 x^2+\left (18 x-3 x^2\right ) \log (4)}{9-6 x+x^2} \, dx=-\frac {3 \left (66+18 \log (4)-6 x (3+\log (4))+x^2 (3+\log (4))\right )}{-3+x} \]
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Time = 0.20 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.90
method | result | size |
norman | \(\frac {\left (-6 \ln \left (2\right )-9\right ) x^{2}-36}{-3+x}\) | \(19\) |
gosper | \(-\frac {3 \left (2 x^{2} \ln \left (2\right )+3 x^{2}+12\right )}{-3+x}\) | \(22\) |
parallelrisch | \(-\frac {6 x^{2} \ln \left (2\right )+9 x^{2}+36}{-3+x}\) | \(22\) |
default | \(-6 x \ln \left (2\right )-9 x -\frac {3 \left (18 \ln \left (2\right )+39\right )}{-3+x}\) | \(23\) |
risch | \(-6 x \ln \left (2\right )-9 x -\frac {117}{-3+x}-\frac {54 \ln \left (2\right )}{-3+x}\) | \(26\) |
meijerg | \(\frac {4 x}{1-\frac {x}{3}}-3 \left (-6 \ln \left (2\right )-9\right ) \left (-\frac {x \left (-x +6\right )}{9 \left (1-\frac {x}{3}\right )}-2 \ln \left (1-\frac {x}{3}\right )\right )-3 \left (-12 \ln \left (2\right )-18\right ) \left (\frac {x}{-x +3}+\ln \left (1-\frac {x}{3}\right )\right )\) | \(69\) |
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Time = 0.24 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.38 \[ \int \frac {36+54 x-9 x^2+\left (18 x-3 x^2\right ) \log (4)}{9-6 x+x^2} \, dx=-\frac {3 \, {\left (3 \, x^{2} + 2 \, {\left (x^{2} - 3 \, x + 9\right )} \log \left (2\right ) - 9 \, x + 39\right )}}{x - 3} \]
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Time = 0.07 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.90 \[ \int \frac {36+54 x-9 x^2+\left (18 x-3 x^2\right ) \log (4)}{9-6 x+x^2} \, dx=- x \left (6 \log {\left (2 \right )} + 9\right ) - \frac {54 \log {\left (2 \right )} + 117}{x - 3} \]
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Time = 0.18 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.10 \[ \int \frac {36+54 x-9 x^2+\left (18 x-3 x^2\right ) \log (4)}{9-6 x+x^2} \, dx=-3 \, x {\left (2 \, \log \left (2\right ) + 3\right )} - \frac {9 \, {\left (6 \, \log \left (2\right ) + 13\right )}}{x - 3} \]
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Time = 0.26 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.05 \[ \int \frac {36+54 x-9 x^2+\left (18 x-3 x^2\right ) \log (4)}{9-6 x+x^2} \, dx=-6 \, x \log \left (2\right ) - 9 \, x - \frac {9 \, {\left (6 \, \log \left (2\right ) + 13\right )}}{x - 3} \]
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Time = 10.18 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.00 \[ \int \frac {36+54 x-9 x^2+\left (18 x-3 x^2\right ) \log (4)}{9-6 x+x^2} \, dx=-x\,\left (\ln \left (64\right )+9\right )-\frac {54\,\ln \left (2\right )+117}{x-3} \]
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