Integrand size = 71, antiderivative size = 27 \[ \int \frac {5 x^2-15 x^2 \log \left (\frac {x}{3}\right ) \log \left (\log \left (\frac {x}{3}\right )\right )+\left (2-40 x-15 x^2\right ) \log \left (\frac {x}{3}\right ) \log ^2\left (\log \left (\frac {x}{3}\right )\right )}{2 \log \left (\frac {x}{3}\right ) \log ^2\left (\log \left (\frac {x}{3}\right )\right )} \, dx=4+x+\frac {5}{2} x^2 \left (-4-x-\frac {x}{\log \left (\log \left (\frac {x}{3}\right )\right )}\right ) \]
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\[ \int \frac {5 x^2-15 x^2 \log \left (\frac {x}{3}\right ) \log \left (\log \left (\frac {x}{3}\right )\right )+\left (2-40 x-15 x^2\right ) \log \left (\frac {x}{3}\right ) \log ^2\left (\log \left (\frac {x}{3}\right )\right )}{2 \log \left (\frac {x}{3}\right ) \log ^2\left (\log \left (\frac {x}{3}\right )\right )} \, dx=\int \frac {5 x^2-15 x^2 \log \left (\frac {x}{3}\right ) \log \left (\log \left (\frac {x}{3}\right )\right )+\left (2-40 x-15 x^2\right ) \log \left (\frac {x}{3}\right ) \log ^2\left (\log \left (\frac {x}{3}\right )\right )}{2 \log \left (\frac {x}{3}\right ) \log ^2\left (\log \left (\frac {x}{3}\right )\right )} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \frac {1}{2} \int \frac {5 x^2-15 x^2 \log \left (\frac {x}{3}\right ) \log \left (\log \left (\frac {x}{3}\right )\right )+\left (2-40 x-15 x^2\right ) \log \left (\frac {x}{3}\right ) \log ^2\left (\log \left (\frac {x}{3}\right )\right )}{\log \left (\frac {x}{3}\right ) \log ^2\left (\log \left (\frac {x}{3}\right )\right )} \, dx \\ & = \frac {1}{2} \int \left (2-40 x-15 x^2+\frac {5 x^2}{\log \left (\frac {x}{3}\right ) \log ^2\left (\log \left (\frac {x}{3}\right )\right )}-\frac {15 x^2}{\log \left (\log \left (\frac {x}{3}\right )\right )}\right ) \, dx \\ & = x-10 x^2-\frac {5 x^3}{2}+\frac {5}{2} \int \frac {x^2}{\log \left (\frac {x}{3}\right ) \log ^2\left (\log \left (\frac {x}{3}\right )\right )} \, dx-\frac {15}{2} \int \frac {x^2}{\log \left (\log \left (\frac {x}{3}\right )\right )} \, dx \\ \end{align*}
Time = 0.29 (sec) , antiderivative size = 30, normalized size of antiderivative = 1.11 \[ \int \frac {5 x^2-15 x^2 \log \left (\frac {x}{3}\right ) \log \left (\log \left (\frac {x}{3}\right )\right )+\left (2-40 x-15 x^2\right ) \log \left (\frac {x}{3}\right ) \log ^2\left (\log \left (\frac {x}{3}\right )\right )}{2 \log \left (\frac {x}{3}\right ) \log ^2\left (\log \left (\frac {x}{3}\right )\right )} \, dx=x-10 x^2-\frac {5 x^3}{2}-\frac {5 x^3}{2 \log \left (\log \left (\frac {x}{3}\right )\right )} \]
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Time = 0.18 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.93
method | result | size |
risch | \(-\frac {5 x^{3}}{2}-10 x^{2}+x -\frac {5 x^{3}}{2 \ln \left (\ln \left (\frac {x}{3}\right )\right )}\) | \(25\) |
parallelrisch | \(-\frac {5 \ln \left (\ln \left (\frac {x}{3}\right )\right ) x^{3}+5 x^{3}+20 \ln \left (\ln \left (\frac {x}{3}\right )\right ) x^{2}-2 x \ln \left (\ln \left (\frac {x}{3}\right )\right )}{2 \ln \left (\ln \left (\frac {x}{3}\right )\right )}\) | \(44\) |
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Time = 0.31 (sec) , antiderivative size = 35, normalized size of antiderivative = 1.30 \[ \int \frac {5 x^2-15 x^2 \log \left (\frac {x}{3}\right ) \log \left (\log \left (\frac {x}{3}\right )\right )+\left (2-40 x-15 x^2\right ) \log \left (\frac {x}{3}\right ) \log ^2\left (\log \left (\frac {x}{3}\right )\right )}{2 \log \left (\frac {x}{3}\right ) \log ^2\left (\log \left (\frac {x}{3}\right )\right )} \, dx=-\frac {5 \, x^{3} + {\left (5 \, x^{3} + 20 \, x^{2} - 2 \, x\right )} \log \left (\log \left (\frac {1}{3} \, x\right )\right )}{2 \, \log \left (\log \left (\frac {1}{3} \, x\right )\right )} \]
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Time = 0.06 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.96 \[ \int \frac {5 x^2-15 x^2 \log \left (\frac {x}{3}\right ) \log \left (\log \left (\frac {x}{3}\right )\right )+\left (2-40 x-15 x^2\right ) \log \left (\frac {x}{3}\right ) \log ^2\left (\log \left (\frac {x}{3}\right )\right )}{2 \log \left (\frac {x}{3}\right ) \log ^2\left (\log \left (\frac {x}{3}\right )\right )} \, dx=- \frac {5 x^{3}}{2} - \frac {5 x^{3}}{2 \log {\left (\log {\left (\frac {x}{3} \right )} \right )}} - 10 x^{2} + x \]
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Time = 0.32 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.00 \[ \int \frac {5 x^2-15 x^2 \log \left (\frac {x}{3}\right ) \log \left (\log \left (\frac {x}{3}\right )\right )+\left (2-40 x-15 x^2\right ) \log \left (\frac {x}{3}\right ) \log ^2\left (\log \left (\frac {x}{3}\right )\right )}{2 \log \left (\frac {x}{3}\right ) \log ^2\left (\log \left (\frac {x}{3}\right )\right )} \, dx=-\frac {5}{2} \, x^{3} - 10 \, x^{2} - \frac {5 \, x^{3}}{2 \, \log \left (-\log \left (3\right ) + \log \left (x\right )\right )} + x \]
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Time = 0.32 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.89 \[ \int \frac {5 x^2-15 x^2 \log \left (\frac {x}{3}\right ) \log \left (\log \left (\frac {x}{3}\right )\right )+\left (2-40 x-15 x^2\right ) \log \left (\frac {x}{3}\right ) \log ^2\left (\log \left (\frac {x}{3}\right )\right )}{2 \log \left (\frac {x}{3}\right ) \log ^2\left (\log \left (\frac {x}{3}\right )\right )} \, dx=-\frac {5}{2} \, x^{3} - 10 \, x^{2} - \frac {5 \, x^{3}}{2 \, \log \left (\log \left (\frac {1}{3} \, x\right )\right )} + x \]
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Time = 13.91 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.00 \[ \int \frac {5 x^2-15 x^2 \log \left (\frac {x}{3}\right ) \log \left (\log \left (\frac {x}{3}\right )\right )+\left (2-40 x-15 x^2\right ) \log \left (\frac {x}{3}\right ) \log ^2\left (\log \left (\frac {x}{3}\right )\right )}{2 \log \left (\frac {x}{3}\right ) \log ^2\left (\log \left (\frac {x}{3}\right )\right )} \, dx=x-\frac {5\,x^3}{2\,\ln \left (\ln \left (x\right )-\ln \left (3\right )\right )}-10\,x^2-\frac {5\,x^3}{2} \]
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