Integrand size = 82, antiderivative size = 25 \[ \int \frac {5 x^2+\left (-50-270 x-100 x^2\right ) \log \left (\frac {1}{4} (1+5 x)\right )+\left (-x-5 x^2\right ) \log \left (\frac {1}{4} (1+5 x)\right ) \log \left (\log \left (\frac {1}{4} (1+5 x)\right )\right )}{\left (x^3+5 x^4\right ) \log \left (\frac {1}{4} (1+5 x)\right )} \, dx=\left (2+\frac {5}{x}\right )^2+\frac {\log \left (\log \left (x+\frac {1+x}{4}\right )\right )}{x} \]
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\[ \int \frac {5 x^2+\left (-50-270 x-100 x^2\right ) \log \left (\frac {1}{4} (1+5 x)\right )+\left (-x-5 x^2\right ) \log \left (\frac {1}{4} (1+5 x)\right ) \log \left (\log \left (\frac {1}{4} (1+5 x)\right )\right )}{\left (x^3+5 x^4\right ) \log \left (\frac {1}{4} (1+5 x)\right )} \, dx=\int \frac {5 x^2+\left (-50-270 x-100 x^2\right ) \log \left (\frac {1}{4} (1+5 x)\right )+\left (-x-5 x^2\right ) \log \left (\frac {1}{4} (1+5 x)\right ) \log \left (\log \left (\frac {1}{4} (1+5 x)\right )\right )}{\left (x^3+5 x^4\right ) \log \left (\frac {1}{4} (1+5 x)\right )} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \frac {5 x^2+\left (-50-270 x-100 x^2\right ) \log \left (\frac {1}{4} (1+5 x)\right )+\left (-x-5 x^2\right ) \log \left (\frac {1}{4} (1+5 x)\right ) \log \left (\log \left (\frac {1}{4} (1+5 x)\right )\right )}{x^3 (1+5 x) \log \left (\frac {1}{4} (1+5 x)\right )} \, dx \\ & = \int \left (\frac {5}{x (1+5 x) \log \left (\frac {1}{4}+\frac {5 x}{4}\right )}-\frac {50+20 x+x \log \left (\log \left (\frac {1}{4} (1+5 x)\right )\right )}{x^3}\right ) \, dx \\ & = 5 \int \frac {1}{x (1+5 x) \log \left (\frac {1}{4}+\frac {5 x}{4}\right )} \, dx-\int \frac {50+20 x+x \log \left (\log \left (\frac {1}{4} (1+5 x)\right )\right )}{x^3} \, dx \\ & = 5 \int \left (\frac {1}{x \log \left (\frac {1}{4}+\frac {5 x}{4}\right )}-\frac {5}{(1+5 x) \log \left (\frac {1}{4}+\frac {5 x}{4}\right )}\right ) \, dx-\int \left (\frac {10 (5+2 x)}{x^3}+\frac {\log \left (\log \left (\frac {1}{4}+\frac {5 x}{4}\right )\right )}{x^2}\right ) \, dx \\ & = 5 \int \frac {1}{x \log \left (\frac {1}{4}+\frac {5 x}{4}\right )} \, dx-10 \int \frac {5+2 x}{x^3} \, dx-25 \int \frac {1}{(1+5 x) \log \left (\frac {1}{4}+\frac {5 x}{4}\right )} \, dx-\int \frac {\log \left (\log \left (\frac {1}{4}+\frac {5 x}{4}\right )\right )}{x^2} \, dx \\ & = \frac {(5+2 x)^2}{x^2}+5 \int \frac {1}{x \log \left (\frac {1}{4}+\frac {5 x}{4}\right )} \, dx-20 \text {Subst}\left (\int \frac {1}{4 x \log (x)} \, dx,x,\frac {1}{4}+\frac {5 x}{4}\right )-\int \frac {\log \left (\log \left (\frac {1}{4}+\frac {5 x}{4}\right )\right )}{x^2} \, dx \\ & = \frac {(5+2 x)^2}{x^2}+5 \int \frac {1}{x \log \left (\frac {1}{4}+\frac {5 x}{4}\right )} \, dx-5 \text {Subst}\left (\int \frac {1}{x \log (x)} \, dx,x,\frac {1}{4}+\frac {5 x}{4}\right )-\int \frac {\log \left (\log \left (\frac {1}{4}+\frac {5 x}{4}\right )\right )}{x^2} \, dx \\ & = \frac {(5+2 x)^2}{x^2}+5 \int \frac {1}{x \log \left (\frac {1}{4}+\frac {5 x}{4}\right )} \, dx-5 \text {Subst}\left (\int \frac {1}{x} \, dx,x,\log \left (\frac {1}{4} (1+5 x)\right )\right )-\int \frac {\log \left (\log \left (\frac {1}{4}+\frac {5 x}{4}\right )\right )}{x^2} \, dx \\ & = \frac {(5+2 x)^2}{x^2}-5 \log \left (\log \left (\frac {1}{4} (1+5 x)\right )\right )+5 \int \frac {1}{x \log \left (\frac {1}{4}+\frac {5 x}{4}\right )} \, dx-\int \frac {\log \left (\log \left (\frac {1}{4}+\frac {5 x}{4}\right )\right )}{x^2} \, dx \\ \end{align*}
Time = 0.19 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.04 \[ \int \frac {5 x^2+\left (-50-270 x-100 x^2\right ) \log \left (\frac {1}{4} (1+5 x)\right )+\left (-x-5 x^2\right ) \log \left (\frac {1}{4} (1+5 x)\right ) \log \left (\log \left (\frac {1}{4} (1+5 x)\right )\right )}{\left (x^3+5 x^4\right ) \log \left (\frac {1}{4} (1+5 x)\right )} \, dx=\frac {25}{x^2}+\frac {20}{x}+\frac {\log \left (\log \left (\frac {1}{4} (1+5 x)\right )\right )}{x} \]
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Time = 0.37 (sec) , antiderivative size = 23, normalized size of antiderivative = 0.92
method | result | size |
risch | \(\frac {\ln \left (\ln \left (\frac {1}{4}+\frac {5 x}{4}\right )\right )}{x}+\frac {20 x +25}{x^{2}}\) | \(23\) |
parallelrisch | \(-\frac {-1250+2500 x^{2}-50 \ln \left (\ln \left (\frac {1}{4}+\frac {5 x}{4}\right )\right ) x -1000 x}{50 x^{2}}\) | \(26\) |
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Time = 0.26 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.72 \[ \int \frac {5 x^2+\left (-50-270 x-100 x^2\right ) \log \left (\frac {1}{4} (1+5 x)\right )+\left (-x-5 x^2\right ) \log \left (\frac {1}{4} (1+5 x)\right ) \log \left (\log \left (\frac {1}{4} (1+5 x)\right )\right )}{\left (x^3+5 x^4\right ) \log \left (\frac {1}{4} (1+5 x)\right )} \, dx=\frac {x \log \left (\log \left (\frac {5}{4} \, x + \frac {1}{4}\right )\right ) + 20 \, x + 25}{x^{2}} \]
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Time = 0.11 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.88 \[ \int \frac {5 x^2+\left (-50-270 x-100 x^2\right ) \log \left (\frac {1}{4} (1+5 x)\right )+\left (-x-5 x^2\right ) \log \left (\frac {1}{4} (1+5 x)\right ) \log \left (\log \left (\frac {1}{4} (1+5 x)\right )\right )}{\left (x^3+5 x^4\right ) \log \left (\frac {1}{4} (1+5 x)\right )} \, dx=\frac {\log {\left (\log {\left (\frac {5 x}{4} + \frac {1}{4} \right )} \right )}}{x} - \frac {- 20 x - 25}{x^{2}} \]
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Time = 0.31 (sec) , antiderivative size = 23, normalized size of antiderivative = 0.92 \[ \int \frac {5 x^2+\left (-50-270 x-100 x^2\right ) \log \left (\frac {1}{4} (1+5 x)\right )+\left (-x-5 x^2\right ) \log \left (\frac {1}{4} (1+5 x)\right ) \log \left (\log \left (\frac {1}{4} (1+5 x)\right )\right )}{\left (x^3+5 x^4\right ) \log \left (\frac {1}{4} (1+5 x)\right )} \, dx=\frac {x \log \left (-2 \, \log \left (2\right ) + \log \left (5 \, x + 1\right )\right ) + 20 \, x + 25}{x^{2}} \]
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Time = 0.33 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.88 \[ \int \frac {5 x^2+\left (-50-270 x-100 x^2\right ) \log \left (\frac {1}{4} (1+5 x)\right )+\left (-x-5 x^2\right ) \log \left (\frac {1}{4} (1+5 x)\right ) \log \left (\log \left (\frac {1}{4} (1+5 x)\right )\right )}{\left (x^3+5 x^4\right ) \log \left (\frac {1}{4} (1+5 x)\right )} \, dx=\frac {\log \left (\log \left (\frac {5}{4} \, x + \frac {1}{4}\right )\right )}{x} + \frac {5 \, {\left (4 \, x + 5\right )}}{x^{2}} \]
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Time = 14.04 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.68 \[ \int \frac {5 x^2+\left (-50-270 x-100 x^2\right ) \log \left (\frac {1}{4} (1+5 x)\right )+\left (-x-5 x^2\right ) \log \left (\frac {1}{4} (1+5 x)\right ) \log \left (\log \left (\frac {1}{4} (1+5 x)\right )\right )}{\left (x^3+5 x^4\right ) \log \left (\frac {1}{4} (1+5 x)\right )} \, dx=\frac {x\,\left (\ln \left (\ln \left (\frac {5\,x}{4}+\frac {1}{4}\right )\right )+20\right )+25}{x^2} \]
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