Integrand size = 154, antiderivative size = 18 \[ \int \frac {-400-105 x+(-200-50 x) \log (-4-x)+(-80-20 x+(-40-10 x) \log (-4-x)) \log (2+\log (-4-x))}{200 x^3+50 x^4+\left (100 x^3+25 x^4\right ) \log (-4-x)+\left (80 x^3+20 x^4+\left (40 x^3+10 x^4\right ) \log (-4-x)\right ) \log (2+\log (-4-x))+\left (8 x^3+2 x^4+\left (4 x^3+x^4\right ) \log (-4-x)\right ) \log ^2(2+\log (-4-x))} \, dx=\frac {5}{x^2 (5+\log (2+\log (-4-x)))} \]
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\[ \int \frac {-400-105 x+(-200-50 x) \log (-4-x)+(-80-20 x+(-40-10 x) \log (-4-x)) \log (2+\log (-4-x))}{200 x^3+50 x^4+\left (100 x^3+25 x^4\right ) \log (-4-x)+\left (80 x^3+20 x^4+\left (40 x^3+10 x^4\right ) \log (-4-x)\right ) \log (2+\log (-4-x))+\left (8 x^3+2 x^4+\left (4 x^3+x^4\right ) \log (-4-x)\right ) \log ^2(2+\log (-4-x))} \, dx=\int \frac {-400-105 x+(-200-50 x) \log (-4-x)+(-80-20 x+(-40-10 x) \log (-4-x)) \log (2+\log (-4-x))}{200 x^3+50 x^4+\left (100 x^3+25 x^4\right ) \log (-4-x)+\left (80 x^3+20 x^4+\left (40 x^3+10 x^4\right ) \log (-4-x)\right ) \log (2+\log (-4-x))+\left (8 x^3+2 x^4+\left (4 x^3+x^4\right ) \log (-4-x)\right ) \log ^2(2+\log (-4-x))} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \frac {5 (-80-21 x-4 (4+x) \log (2+\log (-4-x))-2 (4+x) \log (-4-x) (5+\log (2+\log (-4-x))))}{x^3 (4+x) (2+\log (-4-x)) (5+\log (2+\log (-4-x)))^2} \, dx \\ & = 5 \int \frac {-80-21 x-4 (4+x) \log (2+\log (-4-x))-2 (4+x) \log (-4-x) (5+\log (2+\log (-4-x)))}{x^3 (4+x) (2+\log (-4-x)) (5+\log (2+\log (-4-x)))^2} \, dx \\ & = 5 \int \left (-\frac {1}{x^2 (4+x) (2+\log (-4-x)) (5+\log (2+\log (-4-x)))^2}-\frac {2}{x^3 (5+\log (2+\log (-4-x)))}\right ) \, dx \\ & = -\left (5 \int \frac {1}{x^2 (4+x) (2+\log (-4-x)) (5+\log (2+\log (-4-x)))^2} \, dx\right )-10 \int \frac {1}{x^3 (5+\log (2+\log (-4-x)))} \, dx \\ & = -\left (5 \int \left (\frac {1}{4 x^2 (2+\log (-4-x)) (5+\log (2+\log (-4-x)))^2}-\frac {1}{16 x (2+\log (-4-x)) (5+\log (2+\log (-4-x)))^2}+\frac {1}{16 (4+x) (2+\log (-4-x)) (5+\log (2+\log (-4-x)))^2}\right ) \, dx\right )-10 \int \frac {1}{x^3 (5+\log (2+\log (-4-x)))} \, dx \\ & = \frac {5}{16} \int \frac {1}{x (2+\log (-4-x)) (5+\log (2+\log (-4-x)))^2} \, dx-\frac {5}{16} \int \frac {1}{(4+x) (2+\log (-4-x)) (5+\log (2+\log (-4-x)))^2} \, dx-\frac {5}{4} \int \frac {1}{x^2 (2+\log (-4-x)) (5+\log (2+\log (-4-x)))^2} \, dx-10 \int \frac {1}{x^3 (5+\log (2+\log (-4-x)))} \, dx \\ & = \frac {5}{16 (5+\log (2+\log (-4-x)))}+\frac {5}{16} \int \frac {1}{x (2+\log (-4-x)) (5+\log (2+\log (-4-x)))^2} \, dx-\frac {5}{4} \int \frac {1}{x^2 (2+\log (-4-x)) (5+\log (2+\log (-4-x)))^2} \, dx-10 \int \frac {1}{x^3 (5+\log (2+\log (-4-x)))} \, dx \\ \end{align*}
Time = 0.23 (sec) , antiderivative size = 18, normalized size of antiderivative = 1.00 \[ \int \frac {-400-105 x+(-200-50 x) \log (-4-x)+(-80-20 x+(-40-10 x) \log (-4-x)) \log (2+\log (-4-x))}{200 x^3+50 x^4+\left (100 x^3+25 x^4\right ) \log (-4-x)+\left (80 x^3+20 x^4+\left (40 x^3+10 x^4\right ) \log (-4-x)\right ) \log (2+\log (-4-x))+\left (8 x^3+2 x^4+\left (4 x^3+x^4\right ) \log (-4-x)\right ) \log ^2(2+\log (-4-x))} \, dx=\frac {5}{x^2 (5+\log (2+\log (-4-x)))} \]
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Time = 0.78 (sec) , antiderivative size = 19, normalized size of antiderivative = 1.06
method | result | size |
default | \(\frac {5}{\left (5+\ln \left (\ln \left (-4-x \right )+2\right )\right ) x^{2}}\) | \(19\) |
risch | \(\frac {5}{\left (5+\ln \left (\ln \left (-4-x \right )+2\right )\right ) x^{2}}\) | \(19\) |
parallelrisch | \(\frac {5}{\left (5+\ln \left (\ln \left (-4-x \right )+2\right )\right ) x^{2}}\) | \(19\) |
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Time = 0.26 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.28 \[ \int \frac {-400-105 x+(-200-50 x) \log (-4-x)+(-80-20 x+(-40-10 x) \log (-4-x)) \log (2+\log (-4-x))}{200 x^3+50 x^4+\left (100 x^3+25 x^4\right ) \log (-4-x)+\left (80 x^3+20 x^4+\left (40 x^3+10 x^4\right ) \log (-4-x)\right ) \log (2+\log (-4-x))+\left (8 x^3+2 x^4+\left (4 x^3+x^4\right ) \log (-4-x)\right ) \log ^2(2+\log (-4-x))} \, dx=\frac {5}{x^{2} \log \left (\log \left (-x - 4\right ) + 2\right ) + 5 \, x^{2}} \]
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Time = 0.10 (sec) , antiderivative size = 19, normalized size of antiderivative = 1.06 \[ \int \frac {-400-105 x+(-200-50 x) \log (-4-x)+(-80-20 x+(-40-10 x) \log (-4-x)) \log (2+\log (-4-x))}{200 x^3+50 x^4+\left (100 x^3+25 x^4\right ) \log (-4-x)+\left (80 x^3+20 x^4+\left (40 x^3+10 x^4\right ) \log (-4-x)\right ) \log (2+\log (-4-x))+\left (8 x^3+2 x^4+\left (4 x^3+x^4\right ) \log (-4-x)\right ) \log ^2(2+\log (-4-x))} \, dx=\frac {5}{x^{2} \log {\left (\log {\left (- x - 4 \right )} + 2 \right )} + 5 x^{2}} \]
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Time = 0.25 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.28 \[ \int \frac {-400-105 x+(-200-50 x) \log (-4-x)+(-80-20 x+(-40-10 x) \log (-4-x)) \log (2+\log (-4-x))}{200 x^3+50 x^4+\left (100 x^3+25 x^4\right ) \log (-4-x)+\left (80 x^3+20 x^4+\left (40 x^3+10 x^4\right ) \log (-4-x)\right ) \log (2+\log (-4-x))+\left (8 x^3+2 x^4+\left (4 x^3+x^4\right ) \log (-4-x)\right ) \log ^2(2+\log (-4-x))} \, dx=\frac {5}{x^{2} \log \left (\log \left (-x - 4\right ) + 2\right ) + 5 \, x^{2}} \]
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Time = 0.34 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.28 \[ \int \frac {-400-105 x+(-200-50 x) \log (-4-x)+(-80-20 x+(-40-10 x) \log (-4-x)) \log (2+\log (-4-x))}{200 x^3+50 x^4+\left (100 x^3+25 x^4\right ) \log (-4-x)+\left (80 x^3+20 x^4+\left (40 x^3+10 x^4\right ) \log (-4-x)\right ) \log (2+\log (-4-x))+\left (8 x^3+2 x^4+\left (4 x^3+x^4\right ) \log (-4-x)\right ) \log ^2(2+\log (-4-x))} \, dx=\frac {5}{x^{2} \log \left (\log \left (-x - 4\right ) + 2\right ) + 5 \, x^{2}} \]
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Time = 10.07 (sec) , antiderivative size = 18, normalized size of antiderivative = 1.00 \[ \int \frac {-400-105 x+(-200-50 x) \log (-4-x)+(-80-20 x+(-40-10 x) \log (-4-x)) \log (2+\log (-4-x))}{200 x^3+50 x^4+\left (100 x^3+25 x^4\right ) \log (-4-x)+\left (80 x^3+20 x^4+\left (40 x^3+10 x^4\right ) \log (-4-x)\right ) \log (2+\log (-4-x))+\left (8 x^3+2 x^4+\left (4 x^3+x^4\right ) \log (-4-x)\right ) \log ^2(2+\log (-4-x))} \, dx=\frac {5}{x^2\,\left (\ln \left (\ln \left (-x-4\right )+2\right )+5\right )} \]
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