Integrand size = 62, antiderivative size = 16 \[ \int \frac {-6-7 x+27 x^2-9 x^3+x^4-2 x \log \left (x^2\right )}{-81 x+72 x^2-9 x^3-5 x^4+x^5+\left (-3 x+x^2\right ) \log \left (x^2\right )} \, dx=\log \left (4+x+\frac {-9+\log \left (x^2\right )}{(-3+x)^2}\right ) \]
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Time = 0.43 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.69, number of steps used = 4, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.048, Rules used = {6873, 6874, 6816} \[ \int \frac {-6-7 x+27 x^2-9 x^3+x^4-2 x \log \left (x^2\right )}{-81 x+72 x^2-9 x^3-5 x^4+x^5+\left (-3 x+x^2\right ) \log \left (x^2\right )} \, dx=\log \left (x^3-2 x^2+\log \left (x^2\right )-15 x+27\right )-2 \log (3-x) \]
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Rule 6816
Rule 6873
Rule 6874
Rubi steps \begin{align*} \text {integral}& = \int \frac {6+7 x-27 x^2+9 x^3-x^4+2 x \log \left (x^2\right )}{(3-x) x \left (27-15 x-2 x^2+x^3+\log \left (x^2\right )\right )} \, dx \\ & = \int \left (-\frac {2}{-3+x}+\frac {2-15 x-4 x^2+3 x^3}{x \left (27-15 x-2 x^2+x^3+\log \left (x^2\right )\right )}\right ) \, dx \\ & = -2 \log (3-x)+\int \frac {2-15 x-4 x^2+3 x^3}{x \left (27-15 x-2 x^2+x^3+\log \left (x^2\right )\right )} \, dx \\ & = -2 \log (3-x)+\log \left (27-15 x-2 x^2+x^3+\log \left (x^2\right )\right ) \\ \end{align*}
Time = 0.14 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.69 \[ \int \frac {-6-7 x+27 x^2-9 x^3+x^4-2 x \log \left (x^2\right )}{-81 x+72 x^2-9 x^3-5 x^4+x^5+\left (-3 x+x^2\right ) \log \left (x^2\right )} \, dx=-2 \log (3-x)+\log \left (27-15 x-2 x^2+x^3+\log \left (x^2\right )\right ) \]
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Time = 1.36 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.62
method | result | size |
norman | \(-2 \ln \left (-3+x \right )+\ln \left (x^{3}-2 x^{2}-15 x +\ln \left (x^{2}\right )+27\right )\) | \(26\) |
risch | \(-2 \ln \left (-3+x \right )+\ln \left (x^{3}-2 x^{2}-15 x +\ln \left (x^{2}\right )+27\right )\) | \(26\) |
parallelrisch | \(-2 \ln \left (-3+x \right )+\ln \left (x^{3}-2 x^{2}-15 x +\ln \left (x^{2}\right )+27\right )\) | \(26\) |
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Time = 0.25 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.56 \[ \int \frac {-6-7 x+27 x^2-9 x^3+x^4-2 x \log \left (x^2\right )}{-81 x+72 x^2-9 x^3-5 x^4+x^5+\left (-3 x+x^2\right ) \log \left (x^2\right )} \, dx=\log \left (x^{3} - 2 \, x^{2} - 15 \, x + \log \left (x^{2}\right ) + 27\right ) - 2 \, \log \left (x - 3\right ) \]
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Time = 0.11 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.62 \[ \int \frac {-6-7 x+27 x^2-9 x^3+x^4-2 x \log \left (x^2\right )}{-81 x+72 x^2-9 x^3-5 x^4+x^5+\left (-3 x+x^2\right ) \log \left (x^2\right )} \, dx=- 2 \log {\left (x - 3 \right )} + \log {\left (x^{3} - 2 x^{2} - 15 x + \log {\left (x^{2} \right )} + 27 \right )} \]
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none
Time = 0.24 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.56 \[ \int \frac {-6-7 x+27 x^2-9 x^3+x^4-2 x \log \left (x^2\right )}{-81 x+72 x^2-9 x^3-5 x^4+x^5+\left (-3 x+x^2\right ) \log \left (x^2\right )} \, dx=\log \left (\frac {1}{2} \, x^{3} - x^{2} - \frac {15}{2} \, x + \log \left (x\right ) + \frac {27}{2}\right ) - 2 \, \log \left (x - 3\right ) \]
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Time = 0.29 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.56 \[ \int \frac {-6-7 x+27 x^2-9 x^3+x^4-2 x \log \left (x^2\right )}{-81 x+72 x^2-9 x^3-5 x^4+x^5+\left (-3 x+x^2\right ) \log \left (x^2\right )} \, dx=\log \left (x^{3} - 2 \, x^{2} - 15 \, x + \log \left (x^{2}\right ) + 27\right ) - 2 \, \log \left (x - 3\right ) \]
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Time = 15.26 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.56 \[ \int \frac {-6-7 x+27 x^2-9 x^3+x^4-2 x \log \left (x^2\right )}{-81 x+72 x^2-9 x^3-5 x^4+x^5+\left (-3 x+x^2\right ) \log \left (x^2\right )} \, dx=\ln \left (\ln \left (x^2\right )-15\,x-2\,x^2+x^3+27\right )-2\,\ln \left (x-3\right ) \]
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