Integrand size = 106, antiderivative size = 21 \[ \int \frac {48+720 x+108 x^2+42 x^3+6 x^4+\left (72+744 x+90 x^2+18 x^3\right ) \log (x)+\left (36+54 x+18 x^2\right ) \log ^2(x)+(6+6 x) \log ^3(x)}{8+12 x+6 x^2+x^3+\left (12+12 x+3 x^2\right ) \log (x)+(6+3 x) \log ^2(x)+\log ^3(x)} \, dx=3 \left (25+x (2+x)+\frac {100 x^2}{(2+x+\log (x))^2}\right ) \]
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\[ \int \frac {48+720 x+108 x^2+42 x^3+6 x^4+\left (72+744 x+90 x^2+18 x^3\right ) \log (x)+\left (36+54 x+18 x^2\right ) \log ^2(x)+(6+6 x) \log ^3(x)}{8+12 x+6 x^2+x^3+\left (12+12 x+3 x^2\right ) \log (x)+(6+3 x) \log ^2(x)+\log ^3(x)} \, dx=\int \frac {48+720 x+108 x^2+42 x^3+6 x^4+\left (72+744 x+90 x^2+18 x^3\right ) \log (x)+\left (36+54 x+18 x^2\right ) \log ^2(x)+(6+6 x) \log ^3(x)}{8+12 x+6 x^2+x^3+\left (12+12 x+3 x^2\right ) \log (x)+(6+3 x) \log ^2(x)+\log ^3(x)} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \frac {6 \left (8+120 x+18 x^2+7 x^3+x^4+\left (12+124 x+15 x^2+3 x^3\right ) \log (x)+3 \left (2+3 x+x^2\right ) \log ^2(x)+(1+x) \log ^3(x)\right )}{(2+x+\log (x))^3} \, dx \\ & = 6 \int \frac {8+120 x+18 x^2+7 x^3+x^4+\left (12+124 x+15 x^2+3 x^3\right ) \log (x)+3 \left (2+3 x+x^2\right ) \log ^2(x)+(1+x) \log ^3(x)}{(2+x+\log (x))^3} \, dx \\ & = 6 \int \left (1+x-\frac {100 x (1+x)}{(2+x+\log (x))^3}+\frac {100 x}{(2+x+\log (x))^2}\right ) \, dx \\ & = 6 x+3 x^2-600 \int \frac {x (1+x)}{(2+x+\log (x))^3} \, dx+600 \int \frac {x}{(2+x+\log (x))^2} \, dx \\ & = 6 x+3 x^2+600 \int \frac {x}{(2+x+\log (x))^2} \, dx-600 \int \left (\frac {x}{(2+x+\log (x))^3}+\frac {x^2}{(2+x+\log (x))^3}\right ) \, dx \\ & = 6 x+3 x^2-600 \int \frac {x}{(2+x+\log (x))^3} \, dx-600 \int \frac {x^2}{(2+x+\log (x))^3} \, dx+600 \int \frac {x}{(2+x+\log (x))^2} \, dx \\ \end{align*}
Time = 0.19 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.76 \[ \int \frac {48+720 x+108 x^2+42 x^3+6 x^4+\left (72+744 x+90 x^2+18 x^3\right ) \log (x)+\left (36+54 x+18 x^2\right ) \log ^2(x)+(6+6 x) \log ^3(x)}{8+12 x+6 x^2+x^3+\left (12+12 x+3 x^2\right ) \log (x)+(6+3 x) \log ^2(x)+\log ^3(x)} \, dx=3 x \left (2+x+\frac {100 x}{(2+x+\log (x))^2}\right ) \]
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Time = 0.86 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.05
method | result | size |
risch | \(3 x^{2}+6 x +\frac {300 x^{2}}{\left (x +\ln \left (x \right )+2\right )^{2}}\) | \(22\) |
default | \(\frac {24 x +6 x \ln \left (x \right )^{2}+24 x \ln \left (x \right )+3 x^{2} \ln \left (x \right )^{2}+3 x^{4}+18 x^{3}+336 x^{2}+6 x^{3} \ln \left (x \right )+24 x^{2} \ln \left (x \right )}{\left (x +\ln \left (x \right )+2\right )^{2}}\) | \(62\) |
norman | \(\frac {-1344 \ln \left (x \right )-1320 x -336 \ln \left (x \right )^{2}-648 x \ln \left (x \right )+18 x^{3}+3 x^{4}+6 x \ln \left (x \right )^{2}+24 x^{2} \ln \left (x \right )+3 x^{2} \ln \left (x \right )^{2}+6 x^{3} \ln \left (x \right )-1344}{\left (x +\ln \left (x \right )+2\right )^{2}}\) | \(69\) |
parallelrisch | \(\frac {24 x +6 x \ln \left (x \right )^{2}+24 x \ln \left (x \right )+3 x^{2} \ln \left (x \right )^{2}+3 x^{4}+18 x^{3}+336 x^{2}+6 x^{3} \ln \left (x \right )+24 x^{2} \ln \left (x \right )}{x^{2}+2 x \ln \left (x \right )+\ln \left (x \right )^{2}+4 x +4 \ln \left (x \right )+4}\) | \(79\) |
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Leaf count of result is larger than twice the leaf count of optimal. 68 vs. \(2 (20) = 40\).
Time = 0.29 (sec) , antiderivative size = 68, normalized size of antiderivative = 3.24 \[ \int \frac {48+720 x+108 x^2+42 x^3+6 x^4+\left (72+744 x+90 x^2+18 x^3\right ) \log (x)+\left (36+54 x+18 x^2\right ) \log ^2(x)+(6+6 x) \log ^3(x)}{8+12 x+6 x^2+x^3+\left (12+12 x+3 x^2\right ) \log (x)+(6+3 x) \log ^2(x)+\log ^3(x)} \, dx=\frac {3 \, {\left (x^{4} + 6 \, x^{3} + {\left (x^{2} + 2 \, x\right )} \log \left (x\right )^{2} + 112 \, x^{2} + 2 \, {\left (x^{3} + 4 \, x^{2} + 4 \, x\right )} \log \left (x\right ) + 8 \, x\right )}}{x^{2} + 2 \, {\left (x + 2\right )} \log \left (x\right ) + \log \left (x\right )^{2} + 4 \, x + 4} \]
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Time = 0.06 (sec) , antiderivative size = 34, normalized size of antiderivative = 1.62 \[ \int \frac {48+720 x+108 x^2+42 x^3+6 x^4+\left (72+744 x+90 x^2+18 x^3\right ) \log (x)+\left (36+54 x+18 x^2\right ) \log ^2(x)+(6+6 x) \log ^3(x)}{8+12 x+6 x^2+x^3+\left (12+12 x+3 x^2\right ) \log (x)+(6+3 x) \log ^2(x)+\log ^3(x)} \, dx=3 x^{2} + \frac {300 x^{2}}{x^{2} + 4 x + \left (2 x + 4\right ) \log {\left (x \right )} + \log {\left (x \right )}^{2} + 4} + 6 x \]
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Leaf count of result is larger than twice the leaf count of optimal. 68 vs. \(2 (20) = 40\).
Time = 0.22 (sec) , antiderivative size = 68, normalized size of antiderivative = 3.24 \[ \int \frac {48+720 x+108 x^2+42 x^3+6 x^4+\left (72+744 x+90 x^2+18 x^3\right ) \log (x)+\left (36+54 x+18 x^2\right ) \log ^2(x)+(6+6 x) \log ^3(x)}{8+12 x+6 x^2+x^3+\left (12+12 x+3 x^2\right ) \log (x)+(6+3 x) \log ^2(x)+\log ^3(x)} \, dx=\frac {3 \, {\left (x^{4} + 6 \, x^{3} + {\left (x^{2} + 2 \, x\right )} \log \left (x\right )^{2} + 112 \, x^{2} + 2 \, {\left (x^{3} + 4 \, x^{2} + 4 \, x\right )} \log \left (x\right ) + 8 \, x\right )}}{x^{2} + 2 \, {\left (x + 2\right )} \log \left (x\right ) + \log \left (x\right )^{2} + 4 \, x + 4} \]
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Leaf count of result is larger than twice the leaf count of optimal. 59 vs. \(2 (20) = 40\).
Time = 0.29 (sec) , antiderivative size = 59, normalized size of antiderivative = 2.81 \[ \int \frac {48+720 x+108 x^2+42 x^3+6 x^4+\left (72+744 x+90 x^2+18 x^3\right ) \log (x)+\left (36+54 x+18 x^2\right ) \log ^2(x)+(6+6 x) \log ^3(x)}{8+12 x+6 x^2+x^3+\left (12+12 x+3 x^2\right ) \log (x)+(6+3 x) \log ^2(x)+\log ^3(x)} \, dx=3 \, x^{2} + 6 \, x + \frac {300 \, {\left (x^{3} + x^{2}\right )}}{x^{3} + 2 \, x^{2} \log \left (x\right ) + x \log \left (x\right )^{2} + 5 \, x^{2} + 6 \, x \log \left (x\right ) + \log \left (x\right )^{2} + 8 \, x + 4 \, \log \left (x\right ) + 4} \]
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Time = 13.07 (sec) , antiderivative size = 68, normalized size of antiderivative = 3.24 \[ \int \frac {48+720 x+108 x^2+42 x^3+6 x^4+\left (72+744 x+90 x^2+18 x^3\right ) \log (x)+\left (36+54 x+18 x^2\right ) \log ^2(x)+(6+6 x) \log ^3(x)}{8+12 x+6 x^2+x^3+\left (12+12 x+3 x^2\right ) \log (x)+(6+3 x) \log ^2(x)+\log ^3(x)} \, dx=3\,x\,\left (x+2\right )+\frac {3\,x\,\left (x^3+6\,x^2+112\,x+8\right )-3\,x\,{\left (x+2\right )}^3+\ln \left (x\right )\,\left (3\,x\,\left (2\,x^2+8\,x+8\right )-3\,x\,\left (2\,x+4\right )\,\left (x+2\right )\right )}{{\left (x+\ln \left (x\right )+2\right )}^2} \]
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