Integrand size = 46, antiderivative size = 19 \[ \int \frac {24+2 x-2 x^2-7 x \log \left (\frac {81 x^2}{2}\right )}{\left (16 x-8 x^2+x^3\right ) \log ^2\left (\frac {81 x^2}{2}\right )} \, dx=\frac {3+x}{(-4+x) \log \left (\frac {81 x^2}{2}\right )} \]
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\[ \int \frac {24+2 x-2 x^2-7 x \log \left (\frac {81 x^2}{2}\right )}{\left (16 x-8 x^2+x^3\right ) \log ^2\left (\frac {81 x^2}{2}\right )} \, dx=\int \frac {24+2 x-2 x^2-7 x \log \left (\frac {81 x^2}{2}\right )}{\left (16 x-8 x^2+x^3\right ) \log ^2\left (\frac {81 x^2}{2}\right )} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \frac {24+2 x-2 x^2-7 x \log \left (\frac {81 x^2}{2}\right )}{x \left (16-8 x+x^2\right ) \log ^2\left (\frac {81 x^2}{2}\right )} \, dx \\ & = \int \frac {24+2 x-2 x^2-7 x \log \left (\frac {81 x^2}{2}\right )}{(-4+x)^2 x \log ^2\left (\frac {81 x^2}{2}\right )} \, dx \\ & = \int \left (-\frac {2 (3+x)}{(-4+x) x \log ^2\left (\frac {81 x^2}{2}\right )}-\frac {7}{(-4+x)^2 \log \left (\frac {81 x^2}{2}\right )}\right ) \, dx \\ & = -\left (2 \int \frac {3+x}{(-4+x) x \log ^2\left (\frac {81 x^2}{2}\right )} \, dx\right )-7 \int \frac {1}{(-4+x)^2 \log \left (\frac {81 x^2}{2}\right )} \, dx \\ \end{align*}
Time = 0.08 (sec) , antiderivative size = 19, normalized size of antiderivative = 1.00 \[ \int \frac {24+2 x-2 x^2-7 x \log \left (\frac {81 x^2}{2}\right )}{\left (16 x-8 x^2+x^3\right ) \log ^2\left (\frac {81 x^2}{2}\right )} \, dx=\frac {3+x}{(-4+x) \log \left (\frac {81 x^2}{2}\right )} \]
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Time = 1.38 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.95
method | result | size |
norman | \(\frac {3+x}{\left (x -4\right ) \ln \left (\frac {81 x^{2}}{2}\right )}\) | \(18\) |
risch | \(\frac {3+x}{\left (x -4\right ) \ln \left (\frac {81 x^{2}}{2}\right )}\) | \(18\) |
parallelrisch | \(\frac {2 x +6}{2 \left (x -4\right ) \ln \left (\frac {81 x^{2}}{2}\right )}\) | \(21\) |
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Time = 0.26 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.89 \[ \int \frac {24+2 x-2 x^2-7 x \log \left (\frac {81 x^2}{2}\right )}{\left (16 x-8 x^2+x^3\right ) \log ^2\left (\frac {81 x^2}{2}\right )} \, dx=\frac {x + 3}{{\left (x - 4\right )} \log \left (\frac {81}{2} \, x^{2}\right )} \]
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Time = 0.08 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.74 \[ \int \frac {24+2 x-2 x^2-7 x \log \left (\frac {81 x^2}{2}\right )}{\left (16 x-8 x^2+x^3\right ) \log ^2\left (\frac {81 x^2}{2}\right )} \, dx=\frac {x + 3}{\left (x - 4\right ) \log {\left (\frac {81 x^{2}}{2} \right )}} \]
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Time = 0.32 (sec) , antiderivative size = 33, normalized size of antiderivative = 1.74 \[ \int \frac {24+2 x-2 x^2-7 x \log \left (\frac {81 x^2}{2}\right )}{\left (16 x-8 x^2+x^3\right ) \log ^2\left (\frac {81 x^2}{2}\right )} \, dx=\frac {x + 3}{x {\left (4 \, \log \left (3\right ) - \log \left (2\right )\right )} + 2 \, {\left (x - 4\right )} \log \left (x\right ) - 16 \, \log \left (3\right ) + 4 \, \log \left (2\right )} \]
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Time = 0.27 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.21 \[ \int \frac {24+2 x-2 x^2-7 x \log \left (\frac {81 x^2}{2}\right )}{\left (16 x-8 x^2+x^3\right ) \log ^2\left (\frac {81 x^2}{2}\right )} \, dx=\frac {x + 3}{x \log \left (\frac {81}{2} \, x^{2}\right ) - 4 \, \log \left (\frac {81}{2} \, x^{2}\right )} \]
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Time = 9.60 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.89 \[ \int \frac {24+2 x-2 x^2-7 x \log \left (\frac {81 x^2}{2}\right )}{\left (16 x-8 x^2+x^3\right ) \log ^2\left (\frac {81 x^2}{2}\right )} \, dx=\frac {x+3}{\ln \left (\frac {81\,x^2}{2}\right )\,\left (x-4\right )} \]
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