Integrand size = 102, antiderivative size = 24 \[ \int \frac {\left (-126-447 x-576 x^2-320 x^3-64 x^4\right ) \log \left (\frac {2}{2+x}\right )-2 \log \left (\log \left (\frac {2}{2+x}\right )\right )}{\left (-28-140 x-255 x^2-224 x^3-96 x^4-16 x^5\right ) \log \left (\frac {2}{2+x}\right )+(2+x) \log \left (\frac {2}{2+x}\right ) \log ^2\left (\log \left (\frac {2}{2+x}\right )\right )} \, dx=\log \left (2+x-(2+2 x)^4+\log ^2\left (\log \left (\frac {2}{2+x}\right )\right )\right ) \]
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Time = 0.17 (sec) , antiderivative size = 34, normalized size of antiderivative = 1.42, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.020, Rules used = {6873, 6816} \[ \int \frac {\left (-126-447 x-576 x^2-320 x^3-64 x^4\right ) \log \left (\frac {2}{2+x}\right )-2 \log \left (\log \left (\frac {2}{2+x}\right )\right )}{\left (-28-140 x-255 x^2-224 x^3-96 x^4-16 x^5\right ) \log \left (\frac {2}{2+x}\right )+(2+x) \log \left (\frac {2}{2+x}\right ) \log ^2\left (\log \left (\frac {2}{2+x}\right )\right )} \, dx=\log \left (16 x^4+64 x^3+96 x^2+63 x-\log ^2\left (\log \left (\frac {2}{x+2}\right )\right )+14\right ) \]
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Rule 6816
Rule 6873
Rubi steps \begin{align*} \text {integral}& = \int \frac {-\left (\left (-126-447 x-576 x^2-320 x^3-64 x^4\right ) \log \left (\frac {2}{2+x}\right )\right )+2 \log \left (\log \left (\frac {2}{2+x}\right )\right )}{(2+x) \log \left (\frac {2}{2+x}\right ) \left (14+63 x+96 x^2+64 x^3+16 x^4-\log ^2\left (\log \left (\frac {2}{2+x}\right )\right )\right )} \, dx \\ & = \log \left (14+63 x+96 x^2+64 x^3+16 x^4-\log ^2\left (\log \left (\frac {2}{2+x}\right )\right )\right ) \\ \end{align*}
Time = 0.07 (sec) , antiderivative size = 42, normalized size of antiderivative = 1.75 \[ \int \frac {\left (-126-447 x-576 x^2-320 x^3-64 x^4\right ) \log \left (\frac {2}{2+x}\right )-2 \log \left (\log \left (\frac {2}{2+x}\right )\right )}{\left (-28-140 x-255 x^2-224 x^3-96 x^4-16 x^5\right ) \log \left (\frac {2}{2+x}\right )+(2+x) \log \left (\frac {2}{2+x}\right ) \log ^2\left (\log \left (\frac {2}{2+x}\right )\right )} \, dx=\log \left (16-65 (2+x)+96 (2+x)^2-64 (2+x)^3+16 (2+x)^4-\log ^2\left (\log \left (\frac {2}{2+x}\right )\right )\right ) \]
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Time = 1.01 (sec) , antiderivative size = 33, normalized size of antiderivative = 1.38
method | result | size |
parallelrisch | \(\ln \left (x^{4}+4 x^{3}+6 x^{2}-\frac {\ln \left (\ln \left (\frac {2}{2+x}\right )\right )^{2}}{16}+\frac {63 x}{16}+\frac {7}{8}\right )\) | \(33\) |
default | \(\ln \left (114+65 x -96 \left (2+x \right )^{2}+64 \left (2+x \right )^{3}+\ln \left (\ln \left (2\right )+\ln \left (\frac {1}{2+x}\right )\right )^{2}-16 \left (2+x \right )^{4}\right )\) | \(40\) |
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none
Time = 0.27 (sec) , antiderivative size = 32, normalized size of antiderivative = 1.33 \[ \int \frac {\left (-126-447 x-576 x^2-320 x^3-64 x^4\right ) \log \left (\frac {2}{2+x}\right )-2 \log \left (\log \left (\frac {2}{2+x}\right )\right )}{\left (-28-140 x-255 x^2-224 x^3-96 x^4-16 x^5\right ) \log \left (\frac {2}{2+x}\right )+(2+x) \log \left (\frac {2}{2+x}\right ) \log ^2\left (\log \left (\frac {2}{2+x}\right )\right )} \, dx=\log \left (-16 \, x^{4} - 64 \, x^{3} - 96 \, x^{2} + \log \left (\log \left (\frac {2}{x + 2}\right )\right )^{2} - 63 \, x - 14\right ) \]
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Time = 0.36 (sec) , antiderivative size = 31, normalized size of antiderivative = 1.29 \[ \int \frac {\left (-126-447 x-576 x^2-320 x^3-64 x^4\right ) \log \left (\frac {2}{2+x}\right )-2 \log \left (\log \left (\frac {2}{2+x}\right )\right )}{\left (-28-140 x-255 x^2-224 x^3-96 x^4-16 x^5\right ) \log \left (\frac {2}{2+x}\right )+(2+x) \log \left (\frac {2}{2+x}\right ) \log ^2\left (\log \left (\frac {2}{2+x}\right )\right )} \, dx=\log {\left (- 16 x^{4} - 64 x^{3} - 96 x^{2} - 63 x + \log {\left (\log {\left (\frac {2}{x + 2} \right )} \right )}^{2} - 14 \right )} \]
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Time = 0.32 (sec) , antiderivative size = 33, normalized size of antiderivative = 1.38 \[ \int \frac {\left (-126-447 x-576 x^2-320 x^3-64 x^4\right ) \log \left (\frac {2}{2+x}\right )-2 \log \left (\log \left (\frac {2}{2+x}\right )\right )}{\left (-28-140 x-255 x^2-224 x^3-96 x^4-16 x^5\right ) \log \left (\frac {2}{2+x}\right )+(2+x) \log \left (\frac {2}{2+x}\right ) \log ^2\left (\log \left (\frac {2}{2+x}\right )\right )} \, dx=\log \left (-16 \, x^{4} - 64 \, x^{3} - 96 \, x^{2} + \log \left (\log \left (2\right ) - \log \left (x + 2\right )\right )^{2} - 63 \, x - 14\right ) \]
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\[ \int \frac {\left (-126-447 x-576 x^2-320 x^3-64 x^4\right ) \log \left (\frac {2}{2+x}\right )-2 \log \left (\log \left (\frac {2}{2+x}\right )\right )}{\left (-28-140 x-255 x^2-224 x^3-96 x^4-16 x^5\right ) \log \left (\frac {2}{2+x}\right )+(2+x) \log \left (\frac {2}{2+x}\right ) \log ^2\left (\log \left (\frac {2}{2+x}\right )\right )} \, dx=\int { -\frac {{\left (64 \, x^{4} + 320 \, x^{3} + 576 \, x^{2} + 447 \, x + 126\right )} \log \left (\frac {2}{x + 2}\right ) + 2 \, \log \left (\log \left (\frac {2}{x + 2}\right )\right )}{{\left (x + 2\right )} \log \left (\frac {2}{x + 2}\right ) \log \left (\log \left (\frac {2}{x + 2}\right )\right )^{2} - {\left (16 \, x^{5} + 96 \, x^{4} + 224 \, x^{3} + 255 \, x^{2} + 140 \, x + 28\right )} \log \left (\frac {2}{x + 2}\right )} \,d x } \]
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Time = 13.46 (sec) , antiderivative size = 32, normalized size of antiderivative = 1.33 \[ \int \frac {\left (-126-447 x-576 x^2-320 x^3-64 x^4\right ) \log \left (\frac {2}{2+x}\right )-2 \log \left (\log \left (\frac {2}{2+x}\right )\right )}{\left (-28-140 x-255 x^2-224 x^3-96 x^4-16 x^5\right ) \log \left (\frac {2}{2+x}\right )+(2+x) \log \left (\frac {2}{2+x}\right ) \log ^2\left (\log \left (\frac {2}{2+x}\right )\right )} \, dx=\ln \left (-16\,x^4-64\,x^3-96\,x^2-63\,x+{\ln \left (\ln \left (\frac {2}{x+2}\right )\right )}^2-14\right ) \]
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