Integrand size = 172, antiderivative size = 23 \[ \int \frac {54-6 x^2+\left (72 x+8 x^2+8 x^3\right ) \log \left (\frac {9+x+x^2}{x}\right ) \log ^2\left (\log \left (\frac {9+x+x^2}{x}\right )\right )}{\left (\left (27 x+3 x^2+3 x^3\right ) \log \left (\frac {9+x+x^2}{x}\right ) \log \left (\log \left (\frac {9+x+x^2}{x}\right )\right )+\left (-45 x+31 x^2-x^3+4 x^4\right ) \log \left (\frac {9+x+x^2}{x}\right ) \log ^2\left (\log \left (\frac {9+x+x^2}{x}\right )\right )\right ) \log \left (\frac {3+(-5+4 x) \log \left (\log \left (\frac {9+x+x^2}{x}\right )\right )}{\log \left (\log \left (\frac {9+x+x^2}{x}\right )\right )}\right )} \, dx=\log \left (\log ^2\left (-5+4 x+\frac {3}{\log \left (\log \left (1+\frac {9}{x}+x\right )\right )}\right )\right ) \]
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Time = 0.50 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.012, Rules used = {6820, 6816} \[ \int \frac {54-6 x^2+\left (72 x+8 x^2+8 x^3\right ) \log \left (\frac {9+x+x^2}{x}\right ) \log ^2\left (\log \left (\frac {9+x+x^2}{x}\right )\right )}{\left (\left (27 x+3 x^2+3 x^3\right ) \log \left (\frac {9+x+x^2}{x}\right ) \log \left (\log \left (\frac {9+x+x^2}{x}\right )\right )+\left (-45 x+31 x^2-x^3+4 x^4\right ) \log \left (\frac {9+x+x^2}{x}\right ) \log ^2\left (\log \left (\frac {9+x+x^2}{x}\right )\right )\right ) \log \left (\frac {3+(-5+4 x) \log \left (\log \left (\frac {9+x+x^2}{x}\right )\right )}{\log \left (\log \left (\frac {9+x+x^2}{x}\right )\right )}\right )} \, dx=2 \log \left (\log \left (4 x+\frac {3}{\log \left (\log \left (x+\frac {9}{x}+1\right )\right )}-5\right )\right ) \]
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Rule 6816
Rule 6820
Rubi steps \begin{align*} \text {integral}& = \int \frac {-6 \left (-9+x^2\right )+8 x \left (9+x+x^2\right ) \log \left (1+\frac {9}{x}+x\right ) \log ^2\left (\log \left (1+\frac {9}{x}+x\right )\right )}{x \left (9+x+x^2\right ) \log \left (1+\frac {9}{x}+x\right ) \log \left (\log \left (1+\frac {9}{x}+x\right )\right ) \left (3+(-5+4 x) \log \left (\log \left (1+\frac {9}{x}+x\right )\right )\right ) \log \left (-5+4 x+\frac {3}{\log \left (\log \left (1+\frac {9}{x}+x\right )\right )}\right )} \, dx \\ & = 2 \log \left (\log \left (-5+4 x+\frac {3}{\log \left (\log \left (1+\frac {9}{x}+x\right )\right )}\right )\right ) \\ \end{align*}
Time = 0.11 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.00 \[ \int \frac {54-6 x^2+\left (72 x+8 x^2+8 x^3\right ) \log \left (\frac {9+x+x^2}{x}\right ) \log ^2\left (\log \left (\frac {9+x+x^2}{x}\right )\right )}{\left (\left (27 x+3 x^2+3 x^3\right ) \log \left (\frac {9+x+x^2}{x}\right ) \log \left (\log \left (\frac {9+x+x^2}{x}\right )\right )+\left (-45 x+31 x^2-x^3+4 x^4\right ) \log \left (\frac {9+x+x^2}{x}\right ) \log ^2\left (\log \left (\frac {9+x+x^2}{x}\right )\right )\right ) \log \left (\frac {3+(-5+4 x) \log \left (\log \left (\frac {9+x+x^2}{x}\right )\right )}{\log \left (\log \left (\frac {9+x+x^2}{x}\right )\right )}\right )} \, dx=2 \log \left (\log \left (-5+4 x+\frac {3}{\log \left (\log \left (1+\frac {9}{x}+x\right )\right )}\right )\right ) \]
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\[\int \frac {\left (8 x^{3}+8 x^{2}+72 x \right ) \ln \left (\frac {x^{2}+x +9}{x}\right ) {\ln \left (\ln \left (\frac {x^{2}+x +9}{x}\right )\right )}^{2}-6 x^{2}+54}{\left (\left (4 x^{4}-x^{3}+31 x^{2}-45 x \right ) \ln \left (\frac {x^{2}+x +9}{x}\right ) {\ln \left (\ln \left (\frac {x^{2}+x +9}{x}\right )\right )}^{2}+\left (3 x^{3}+3 x^{2}+27 x \right ) \ln \left (\frac {x^{2}+x +9}{x}\right ) \ln \left (\ln \left (\frac {x^{2}+x +9}{x}\right )\right )\right ) \ln \left (\frac {\left (-5+4 x \right ) \ln \left (\ln \left (\frac {x^{2}+x +9}{x}\right )\right )+3}{\ln \left (\ln \left (\frac {x^{2}+x +9}{x}\right )\right )}\right )}d x\]
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none
Time = 0.26 (sec) , antiderivative size = 39, normalized size of antiderivative = 1.70 \[ \int \frac {54-6 x^2+\left (72 x+8 x^2+8 x^3\right ) \log \left (\frac {9+x+x^2}{x}\right ) \log ^2\left (\log \left (\frac {9+x+x^2}{x}\right )\right )}{\left (\left (27 x+3 x^2+3 x^3\right ) \log \left (\frac {9+x+x^2}{x}\right ) \log \left (\log \left (\frac {9+x+x^2}{x}\right )\right )+\left (-45 x+31 x^2-x^3+4 x^4\right ) \log \left (\frac {9+x+x^2}{x}\right ) \log ^2\left (\log \left (\frac {9+x+x^2}{x}\right )\right )\right ) \log \left (\frac {3+(-5+4 x) \log \left (\log \left (\frac {9+x+x^2}{x}\right )\right )}{\log \left (\log \left (\frac {9+x+x^2}{x}\right )\right )}\right )} \, dx=2 \, \log \left (\log \left (\frac {{\left (4 \, x - 5\right )} \log \left (\log \left (\frac {x^{2} + x + 9}{x}\right )\right ) + 3}{\log \left (\log \left (\frac {x^{2} + x + 9}{x}\right )\right )}\right )\right ) \]
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Time = 3.77 (sec) , antiderivative size = 34, normalized size of antiderivative = 1.48 \[ \int \frac {54-6 x^2+\left (72 x+8 x^2+8 x^3\right ) \log \left (\frac {9+x+x^2}{x}\right ) \log ^2\left (\log \left (\frac {9+x+x^2}{x}\right )\right )}{\left (\left (27 x+3 x^2+3 x^3\right ) \log \left (\frac {9+x+x^2}{x}\right ) \log \left (\log \left (\frac {9+x+x^2}{x}\right )\right )+\left (-45 x+31 x^2-x^3+4 x^4\right ) \log \left (\frac {9+x+x^2}{x}\right ) \log ^2\left (\log \left (\frac {9+x+x^2}{x}\right )\right )\right ) \log \left (\frac {3+(-5+4 x) \log \left (\log \left (\frac {9+x+x^2}{x}\right )\right )}{\log \left (\log \left (\frac {9+x+x^2}{x}\right )\right )}\right )} \, dx=2 \log {\left (\log {\left (\frac {\left (4 x - 5\right ) \log {\left (\log {\left (\frac {x^{2} + x + 9}{x} \right )} \right )} + 3}{\log {\left (\log {\left (\frac {x^{2} + x + 9}{x} \right )} \right )}} \right )} \right )} \]
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Leaf count of result is larger than twice the leaf count of optimal. 54 vs. \(2 (23) = 46\).
Time = 0.29 (sec) , antiderivative size = 54, normalized size of antiderivative = 2.35 \[ \int \frac {54-6 x^2+\left (72 x+8 x^2+8 x^3\right ) \log \left (\frac {9+x+x^2}{x}\right ) \log ^2\left (\log \left (\frac {9+x+x^2}{x}\right )\right )}{\left (\left (27 x+3 x^2+3 x^3\right ) \log \left (\frac {9+x+x^2}{x}\right ) \log \left (\log \left (\frac {9+x+x^2}{x}\right )\right )+\left (-45 x+31 x^2-x^3+4 x^4\right ) \log \left (\frac {9+x+x^2}{x}\right ) \log ^2\left (\log \left (\frac {9+x+x^2}{x}\right )\right )\right ) \log \left (\frac {3+(-5+4 x) \log \left (\log \left (\frac {9+x+x^2}{x}\right )\right )}{\log \left (\log \left (\frac {9+x+x^2}{x}\right )\right )}\right )} \, dx=2 \, \log \left (\log \left (4 \, x \log \left (\log \left (x^{2} + x + 9\right ) - \log \left (x\right )\right ) - 5 \, \log \left (\log \left (x^{2} + x + 9\right ) - \log \left (x\right )\right ) + 3\right ) - \log \left (\log \left (\log \left (x^{2} + x + 9\right ) - \log \left (x\right )\right )\right )\right ) \]
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\[ \int \frac {54-6 x^2+\left (72 x+8 x^2+8 x^3\right ) \log \left (\frac {9+x+x^2}{x}\right ) \log ^2\left (\log \left (\frac {9+x+x^2}{x}\right )\right )}{\left (\left (27 x+3 x^2+3 x^3\right ) \log \left (\frac {9+x+x^2}{x}\right ) \log \left (\log \left (\frac {9+x+x^2}{x}\right )\right )+\left (-45 x+31 x^2-x^3+4 x^4\right ) \log \left (\frac {9+x+x^2}{x}\right ) \log ^2\left (\log \left (\frac {9+x+x^2}{x}\right )\right )\right ) \log \left (\frac {3+(-5+4 x) \log \left (\log \left (\frac {9+x+x^2}{x}\right )\right )}{\log \left (\log \left (\frac {9+x+x^2}{x}\right )\right )}\right )} \, dx=\int { \frac {2 \, {\left (4 \, {\left (x^{3} + x^{2} + 9 \, x\right )} \log \left (\frac {x^{2} + x + 9}{x}\right ) \log \left (\log \left (\frac {x^{2} + x + 9}{x}\right )\right )^{2} - 3 \, x^{2} + 27\right )}}{{\left ({\left (4 \, x^{4} - x^{3} + 31 \, x^{2} - 45 \, x\right )} \log \left (\frac {x^{2} + x + 9}{x}\right ) \log \left (\log \left (\frac {x^{2} + x + 9}{x}\right )\right )^{2} + 3 \, {\left (x^{3} + x^{2} + 9 \, x\right )} \log \left (\frac {x^{2} + x + 9}{x}\right ) \log \left (\log \left (\frac {x^{2} + x + 9}{x}\right )\right )\right )} \log \left (\frac {{\left (4 \, x - 5\right )} \log \left (\log \left (\frac {x^{2} + x + 9}{x}\right )\right ) + 3}{\log \left (\log \left (\frac {x^{2} + x + 9}{x}\right )\right )}\right )} \,d x } \]
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Time = 16.74 (sec) , antiderivative size = 39, normalized size of antiderivative = 1.70 \[ \int \frac {54-6 x^2+\left (72 x+8 x^2+8 x^3\right ) \log \left (\frac {9+x+x^2}{x}\right ) \log ^2\left (\log \left (\frac {9+x+x^2}{x}\right )\right )}{\left (\left (27 x+3 x^2+3 x^3\right ) \log \left (\frac {9+x+x^2}{x}\right ) \log \left (\log \left (\frac {9+x+x^2}{x}\right )\right )+\left (-45 x+31 x^2-x^3+4 x^4\right ) \log \left (\frac {9+x+x^2}{x}\right ) \log ^2\left (\log \left (\frac {9+x+x^2}{x}\right )\right )\right ) \log \left (\frac {3+(-5+4 x) \log \left (\log \left (\frac {9+x+x^2}{x}\right )\right )}{\log \left (\log \left (\frac {9+x+x^2}{x}\right )\right )}\right )} \, dx=2\,\ln \left (\ln \left (\frac {\ln \left (\ln \left (\frac {x^2+x+9}{x}\right )\right )\,\left (4\,x-5\right )+3}{\ln \left (\ln \left (\frac {x^2+x+9}{x}\right )\right )}\right )\right ) \]
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