Integrand size = 143, antiderivative size = 29 \[ \int \frac {3 x+3 x^2+\left (9+12 x+3 x^2\right ) \log (3+x)+\left (-6 x^2-2 x^3\right ) \log (3+x) \log (x \log (3+x))+\left (-9+6 x+3 x^2\right ) \log (3+x) \log (x \log (3+x)) \log (\log (x \log (3+x)))}{\left (-12 x^2-16 x^3-4 x^4\right ) \log (3+x) \log (x \log (3+x))+\left (36 x+48 x^2+12 x^3\right ) \log (3+x) \log (x \log (3+x)) \log (\log (x \log (3+x)))} \, dx=\frac {1}{4} \log \left (\frac {5 (1+x)^2 (-x+3 \log (\log (x \log (3+x))))}{x}\right ) \]
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Time = 1.38 (sec) , antiderivative size = 32, normalized size of antiderivative = 1.10, number of steps used = 7, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.035, Rules used = {6820, 12, 6860, 78, 6816} \[ \int \frac {3 x+3 x^2+\left (9+12 x+3 x^2\right ) \log (3+x)+\left (-6 x^2-2 x^3\right ) \log (3+x) \log (x \log (3+x))+\left (-9+6 x+3 x^2\right ) \log (3+x) \log (x \log (3+x)) \log (\log (x \log (3+x)))}{\left (-12 x^2-16 x^3-4 x^4\right ) \log (3+x) \log (x \log (3+x))+\left (36 x+48 x^2+12 x^3\right ) \log (3+x) \log (x \log (3+x)) \log (\log (x \log (3+x)))} \, dx=-\frac {\log (x)}{4}+\frac {1}{2} \log (x+1)+\frac {1}{4} \log (x-3 \log (\log (x \log (x+3)))) \]
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Rule 12
Rule 78
Rule 6816
Rule 6820
Rule 6860
Rubi steps \begin{align*} \text {integral}& = \int \frac {-3 x (1+x)+(3+x) \log (3+x) \left (-3 (1+x)+\log (x \log (3+x)) \left (2 x^2-3 (-1+x) \log (\log (x \log (3+x)))\right )\right )}{4 x \left (3+4 x+x^2\right ) \log (3+x) \log (x \log (3+x)) (x-3 \log (\log (x \log (3+x))))} \, dx \\ & = \frac {1}{4} \int \frac {-3 x (1+x)+(3+x) \log (3+x) \left (-3 (1+x)+\log (x \log (3+x)) \left (2 x^2-3 (-1+x) \log (\log (x \log (3+x)))\right )\right )}{x \left (3+4 x+x^2\right ) \log (3+x) \log (x \log (3+x)) (x-3 \log (\log (x \log (3+x))))} \, dx \\ & = \frac {1}{4} \int \left (\frac {-1+x}{x (1+x)}+\frac {-3 x-9 \log (3+x)-3 x \log (3+x)+3 x \log (3+x) \log (x \log (3+x))+x^2 \log (3+x) \log (x \log (3+x))}{x (3+x) \log (3+x) \log (x \log (3+x)) (x-3 \log (\log (x \log (3+x))))}\right ) \, dx \\ & = \frac {1}{4} \int \frac {-1+x}{x (1+x)} \, dx+\frac {1}{4} \int \frac {-3 x-9 \log (3+x)-3 x \log (3+x)+3 x \log (3+x) \log (x \log (3+x))+x^2 \log (3+x) \log (x \log (3+x))}{x (3+x) \log (3+x) \log (x \log (3+x)) (x-3 \log (\log (x \log (3+x))))} \, dx \\ & = \frac {1}{4} \log (x-3 \log (\log (x \log (3+x))))+\frac {1}{4} \int \left (-\frac {1}{x}+\frac {2}{1+x}\right ) \, dx \\ & = -\frac {\log (x)}{4}+\frac {1}{2} \log (1+x)+\frac {1}{4} \log (x-3 \log (\log (x \log (3+x)))) \\ \end{align*}
Time = 0.11 (sec) , antiderivative size = 28, normalized size of antiderivative = 0.97 \[ \int \frac {3 x+3 x^2+\left (9+12 x+3 x^2\right ) \log (3+x)+\left (-6 x^2-2 x^3\right ) \log (3+x) \log (x \log (3+x))+\left (-9+6 x+3 x^2\right ) \log (3+x) \log (x \log (3+x)) \log (\log (x \log (3+x)))}{\left (-12 x^2-16 x^3-4 x^4\right ) \log (3+x) \log (x \log (3+x))+\left (36 x+48 x^2+12 x^3\right ) \log (3+x) \log (x \log (3+x)) \log (\log (x \log (3+x)))} \, dx=\frac {1}{4} (-\log (x)+2 \log (1+x)+\log (x-3 \log (\log (x \log (3+x))))) \]
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Time = 32.61 (sec) , antiderivative size = 27, normalized size of antiderivative = 0.93
method | result | size |
parallelrisch | \(-\frac {\ln \left (x \right )}{4}+\frac {\ln \left (1+x \right )}{2}+\frac {\ln \left (x -3 \ln \left (\ln \left (x \ln \left (3+x \right )\right )\right )\right )}{4}\) | \(27\) |
risch | \(-\frac {\ln \left (x \right )}{4}+\frac {\ln \left (1+x \right )}{2}+\frac {\ln \left (-\frac {x}{3}+\ln \left (\ln \left (x \right )+\ln \left (\ln \left (3+x \right )\right )-\frac {i \pi \,\operatorname {csgn}\left (i x \ln \left (3+x \right )\right ) \left (-\operatorname {csgn}\left (i x \ln \left (3+x \right )\right )+\operatorname {csgn}\left (i x \right )\right ) \left (-\operatorname {csgn}\left (i x \ln \left (3+x \right )\right )+\operatorname {csgn}\left (i \ln \left (3+x \right )\right )\right )}{2}\right )\right )}{4}\) | \(78\) |
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Time = 0.25 (sec) , antiderivative size = 28, normalized size of antiderivative = 0.97 \[ \int \frac {3 x+3 x^2+\left (9+12 x+3 x^2\right ) \log (3+x)+\left (-6 x^2-2 x^3\right ) \log (3+x) \log (x \log (3+x))+\left (-9+6 x+3 x^2\right ) \log (3+x) \log (x \log (3+x)) \log (\log (x \log (3+x)))}{\left (-12 x^2-16 x^3-4 x^4\right ) \log (3+x) \log (x \log (3+x))+\left (36 x+48 x^2+12 x^3\right ) \log (3+x) \log (x \log (3+x)) \log (\log (x \log (3+x)))} \, dx=\frac {1}{2} \, \log \left (x + 1\right ) - \frac {1}{4} \, \log \left (x\right ) + \frac {1}{4} \, \log \left (-x + 3 \, \log \left (\log \left (x \log \left (x + 3\right )\right )\right )\right ) \]
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Time = 0.72 (sec) , antiderivative size = 27, normalized size of antiderivative = 0.93 \[ \int \frac {3 x+3 x^2+\left (9+12 x+3 x^2\right ) \log (3+x)+\left (-6 x^2-2 x^3\right ) \log (3+x) \log (x \log (3+x))+\left (-9+6 x+3 x^2\right ) \log (3+x) \log (x \log (3+x)) \log (\log (x \log (3+x)))}{\left (-12 x^2-16 x^3-4 x^4\right ) \log (3+x) \log (x \log (3+x))+\left (36 x+48 x^2+12 x^3\right ) \log (3+x) \log (x \log (3+x)) \log (\log (x \log (3+x)))} \, dx=- \frac {\log {\left (x \right )}}{4} + \frac {\log {\left (- \frac {x}{3} + \log {\left (\log {\left (x \log {\left (x + 3 \right )} \right )} \right )} \right )}}{4} + \frac {\log {\left (x + 1 \right )}}{2} \]
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Time = 0.24 (sec) , antiderivative size = 27, normalized size of antiderivative = 0.93 \[ \int \frac {3 x+3 x^2+\left (9+12 x+3 x^2\right ) \log (3+x)+\left (-6 x^2-2 x^3\right ) \log (3+x) \log (x \log (3+x))+\left (-9+6 x+3 x^2\right ) \log (3+x) \log (x \log (3+x)) \log (\log (x \log (3+x)))}{\left (-12 x^2-16 x^3-4 x^4\right ) \log (3+x) \log (x \log (3+x))+\left (36 x+48 x^2+12 x^3\right ) \log (3+x) \log (x \log (3+x)) \log (\log (x \log (3+x)))} \, dx=\frac {1}{2} \, \log \left (x + 1\right ) - \frac {1}{4} \, \log \left (x\right ) + \frac {1}{4} \, \log \left (-\frac {1}{3} \, x + \log \left (\log \left (x\right ) + \log \left (\log \left (x + 3\right )\right )\right )\right ) \]
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Time = 1.00 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.90 \[ \int \frac {3 x+3 x^2+\left (9+12 x+3 x^2\right ) \log (3+x)+\left (-6 x^2-2 x^3\right ) \log (3+x) \log (x \log (3+x))+\left (-9+6 x+3 x^2\right ) \log (3+x) \log (x \log (3+x)) \log (\log (x \log (3+x)))}{\left (-12 x^2-16 x^3-4 x^4\right ) \log (3+x) \log (x \log (3+x))+\left (36 x+48 x^2+12 x^3\right ) \log (3+x) \log (x \log (3+x)) \log (\log (x \log (3+x)))} \, dx=\frac {1}{4} \, \log \left (x - 3 \, \log \left (\log \left (x \log \left (x + 3\right )\right )\right )\right ) + \frac {1}{2} \, \log \left (x + 1\right ) - \frac {1}{4} \, \log \left (x\right ) \]
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Time = 14.07 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.90 \[ \int \frac {3 x+3 x^2+\left (9+12 x+3 x^2\right ) \log (3+x)+\left (-6 x^2-2 x^3\right ) \log (3+x) \log (x \log (3+x))+\left (-9+6 x+3 x^2\right ) \log (3+x) \log (x \log (3+x)) \log (\log (x \log (3+x)))}{\left (-12 x^2-16 x^3-4 x^4\right ) \log (3+x) \log (x \log (3+x))+\left (36 x+48 x^2+12 x^3\right ) \log (3+x) \log (x \log (3+x)) \log (\log (x \log (3+x)))} \, dx=\frac {\ln \left (x+1\right )}{2}+\frac {\ln \left (\ln \left (\ln \left (x\,\ln \left (x+3\right )\right )\right )-\frac {x}{3}\right )}{4}-\frac {\ln \left (x\right )}{4} \]
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