Integrand size = 48, antiderivative size = 22 \[ \int \frac {33-4 x+12 x^3+3 \log \left (\frac {x^2}{2}\right )}{27 x-2 x^2+3 x^4+3 x \log \left (\frac {x^2}{2}\right )} \, dx=\log \left (x \left (9+x \left (-\frac {2}{3}+x^2\right )+\log \left (\frac {x^2}{2}\right )\right )\right ) \]
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Time = 0.03 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.18, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.021, Rules used = {6816} \[ \int \frac {33-4 x+12 x^3+3 \log \left (\frac {x^2}{2}\right )}{27 x-2 x^2+3 x^4+3 x \log \left (\frac {x^2}{2}\right )} \, dx=\log \left (3 x^4-2 x^2+3 x \log \left (\frac {x^2}{2}\right )+27 x\right ) \]
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Rule 6816
Rubi steps \begin{align*} \text {integral}& = \log \left (27 x-2 x^2+3 x^4+3 x \log \left (\frac {x^2}{2}\right )\right ) \\ \end{align*}
Time = 0.29 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.09 \[ \int \frac {33-4 x+12 x^3+3 \log \left (\frac {x^2}{2}\right )}{27 x-2 x^2+3 x^4+3 x \log \left (\frac {x^2}{2}\right )} \, dx=\log (x)+\log \left (27-2 x+3 x^3+3 \log \left (\frac {x^2}{2}\right )\right ) \]
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Time = 0.27 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.86
method | result | size |
risch | \(\ln \left (x \right )+\ln \left (x^{3}-\frac {2 x}{3}+\ln \left (\frac {x^{2}}{2}\right )+9\right )\) | \(19\) |
derivativedivides | \(\ln \left (3 x \ln \left (\frac {x^{2}}{2}\right )+3 x^{4}-2 x^{2}+27 x \right )\) | \(25\) |
default | \(\ln \left (3 x \ln \left (\frac {x^{2}}{2}\right )+3 x^{4}-2 x^{2}+27 x \right )\) | \(25\) |
parallelrisch | \(\frac {\ln \left (\frac {x^{2}}{2}\right )}{2}+\ln \left (x^{3}-\frac {2 x}{3}+\ln \left (\frac {x^{2}}{2}\right )+9\right )\) | \(25\) |
norman | \(\frac {\ln \left (\frac {x^{2}}{2}\right )}{2}+\ln \left (3 x^{3}+3 \ln \left (\frac {x^{2}}{2}\right )-2 x +27\right )\) | \(29\) |
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Time = 0.27 (sec) , antiderivative size = 28, normalized size of antiderivative = 1.27 \[ \int \frac {33-4 x+12 x^3+3 \log \left (\frac {x^2}{2}\right )}{27 x-2 x^2+3 x^4+3 x \log \left (\frac {x^2}{2}\right )} \, dx=\log \left (3 \, x^{3} - 2 \, x + 3 \, \log \left (\frac {1}{2} \, x^{2}\right ) + 27\right ) + \frac {1}{2} \, \log \left (\frac {1}{2} \, x^{2}\right ) \]
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Time = 0.16 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.91 \[ \int \frac {33-4 x+12 x^3+3 \log \left (\frac {x^2}{2}\right )}{27 x-2 x^2+3 x^4+3 x \log \left (\frac {x^2}{2}\right )} \, dx=\log {\left (x \right )} + \log {\left (x^{3} - \frac {2 x}{3} + \log {\left (\frac {x^{2}}{2} \right )} + 9 \right )} \]
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Time = 0.19 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.09 \[ \int \frac {33-4 x+12 x^3+3 \log \left (\frac {x^2}{2}\right )}{27 x-2 x^2+3 x^4+3 x \log \left (\frac {x^2}{2}\right )} \, dx=\log \left (3 \, x^{4} - 2 \, x^{2} + 3 \, x \log \left (\frac {1}{2} \, x^{2}\right ) + 27 \, x\right ) \]
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Time = 0.28 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.00 \[ \int \frac {33-4 x+12 x^3+3 \log \left (\frac {x^2}{2}\right )}{27 x-2 x^2+3 x^4+3 x \log \left (\frac {x^2}{2}\right )} \, dx=\log \left (3 \, x^{3} - 2 \, x + 3 \, \log \left (\frac {1}{2} \, x^{2}\right ) + 27\right ) + \log \left (x\right ) \]
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Time = 15.09 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.00 \[ \int \frac {33-4 x+12 x^3+3 \log \left (\frac {x^2}{2}\right )}{27 x-2 x^2+3 x^4+3 x \log \left (\frac {x^2}{2}\right )} \, dx=\ln \left (\ln \left (\frac {x^2}{2}\right )-\frac {2\,x}{3}+x^3+9\right )+\frac {\ln \left (x^2\right )}{2} \]
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