Integrand size = 64, antiderivative size = 21 \[ \int \frac {-6+x^2+\left (-3-x^2 \log (x)\right ) \log \left (\frac {-3-x^2 \log (x)}{3 x^2}\right )}{\left (3 x+x^3 \log (x)\right ) \log \left (\frac {-3-x^2 \log (x)}{3 x^2}\right )} \, dx=\log \left (\frac {121 \log \left (\frac {1}{3} \left (-\frac {3}{x^2}-\log (x)\right )\right )}{x}\right ) \]
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Time = 0.47 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.90, number of steps used = 5, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.062, Rules used = {2641, 6823, 6874, 6816} \[ \int \frac {-6+x^2+\left (-3-x^2 \log (x)\right ) \log \left (\frac {-3-x^2 \log (x)}{3 x^2}\right )}{\left (3 x+x^3 \log (x)\right ) \log \left (\frac {-3-x^2 \log (x)}{3 x^2}\right )} \, dx=\log \left (\log \left (-\frac {1}{x^2}-\frac {\log (x)}{3}\right )\right )-\log (x) \]
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Rule 2641
Rule 6816
Rule 6823
Rule 6874
Rubi steps \begin{align*} \text {integral}& = \int \frac {-6+x^2+\left (-3-x^2 \log (x)\right ) \log \left (\frac {-3-x^2 \log (x)}{3 x^2}\right )}{x^3 \left (\frac {3}{x^2}+\log (x)\right ) \log \left (\frac {-3-x^2 \log (x)}{3 x^2}\right )} \, dx \\ & = \int \frac {-6+x^2+\left (-3-x^2 \log (x)\right ) \log \left (\frac {-3-x^2 \log (x)}{3 x^2}\right )}{x \left (3+x^2 \log (x)\right ) \log \left (\frac {-3-x^2 \log (x)}{3 x^2}\right )} \, dx \\ & = \int \left (-\frac {1}{x}+\frac {-6+x^2}{x \left (3+x^2 \log (x)\right ) \log \left (-\frac {1}{x^2}-\frac {\log (x)}{3}\right )}\right ) \, dx \\ & = -\log (x)+\int \frac {-6+x^2}{x \left (3+x^2 \log (x)\right ) \log \left (-\frac {1}{x^2}-\frac {\log (x)}{3}\right )} \, dx \\ & = -\log (x)+\log \left (\log \left (-\frac {1}{x^2}-\frac {\log (x)}{3}\right )\right ) \\ \end{align*}
Time = 0.20 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.90 \[ \int \frac {-6+x^2+\left (-3-x^2 \log (x)\right ) \log \left (\frac {-3-x^2 \log (x)}{3 x^2}\right )}{\left (3 x+x^3 \log (x)\right ) \log \left (\frac {-3-x^2 \log (x)}{3 x^2}\right )} \, dx=-\log (x)+\log \left (\log \left (-\frac {1}{x^2}-\frac {\log (x)}{3}\right )\right ) \]
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Time = 1.30 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.00
method | result | size |
parallelrisch | \(\ln \left (\ln \left (-\frac {x^{2} \ln \left (x \right )+3}{3 x^{2}}\right )\right )-\ln \left (x \right )\) | \(21\) |
default | \(-\ln \left (x \right )+\ln \left (\ln \left (3\right )-\ln \left (-\frac {x^{2} \ln \left (x \right )+3}{x^{2}}\right )\right )\) | \(26\) |
risch | \(-\ln \left (x \right )+\ln \left (\ln \left (x^{2} \ln \left (x \right )+3\right )+\frac {i \left (\pi \operatorname {csgn}\left (i x \right )^{2} \operatorname {csgn}\left (i x^{2}\right )-2 \pi \,\operatorname {csgn}\left (i x \right ) \operatorname {csgn}\left (i x^{2}\right )^{2}+\pi \operatorname {csgn}\left (i x^{2}\right )^{3}-2 \pi {\operatorname {csgn}\left (\frac {i \left (x^{2} \ln \left (x \right )+3\right )}{x^{2}}\right )}^{2}+\pi \,\operatorname {csgn}\left (i \left (x^{2} \ln \left (x \right )+3\right )\right ) {\operatorname {csgn}\left (\frac {i \left (x^{2} \ln \left (x \right )+3\right )}{x^{2}}\right )}^{2}-\pi \,\operatorname {csgn}\left (i \left (x^{2} \ln \left (x \right )+3\right )\right ) \operatorname {csgn}\left (\frac {i \left (x^{2} \ln \left (x \right )+3\right )}{x^{2}}\right ) \operatorname {csgn}\left (\frac {i}{x^{2}}\right )+\pi {\operatorname {csgn}\left (\frac {i \left (x^{2} \ln \left (x \right )+3\right )}{x^{2}}\right )}^{3}+\pi {\operatorname {csgn}\left (\frac {i \left (x^{2} \ln \left (x \right )+3\right )}{x^{2}}\right )}^{2} \operatorname {csgn}\left (\frac {i}{x^{2}}\right )+2 \pi +2 i \ln \left (3\right )+4 i \ln \left (x \right )\right )}{2}\right )\) | \(211\) |
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Time = 0.29 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.95 \[ \int \frac {-6+x^2+\left (-3-x^2 \log (x)\right ) \log \left (\frac {-3-x^2 \log (x)}{3 x^2}\right )}{\left (3 x+x^3 \log (x)\right ) \log \left (\frac {-3-x^2 \log (x)}{3 x^2}\right )} \, dx=-\log \left (x\right ) + \log \left (\log \left (-\frac {x^{2} \log \left (x\right ) + 3}{3 \, x^{2}}\right )\right ) \]
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Time = 0.13 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.95 \[ \int \frac {-6+x^2+\left (-3-x^2 \log (x)\right ) \log \left (\frac {-3-x^2 \log (x)}{3 x^2}\right )}{\left (3 x+x^3 \log (x)\right ) \log \left (\frac {-3-x^2 \log (x)}{3 x^2}\right )} \, dx=- \log {\left (x \right )} + \log {\left (\log {\left (\frac {- \frac {x^{2} \log {\left (x \right )}}{3} - 1}{x^{2}} \right )} \right )} \]
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Time = 0.32 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.19 \[ \int \frac {-6+x^2+\left (-3-x^2 \log (x)\right ) \log \left (\frac {-3-x^2 \log (x)}{3 x^2}\right )}{\left (3 x+x^3 \log (x)\right ) \log \left (\frac {-3-x^2 \log (x)}{3 x^2}\right )} \, dx=-\log \left (x\right ) + \log \left (-\log \left (3\right ) + \log \left (-x^{2} \log \left (x\right ) - 3\right ) - 2 \, \log \left (x\right )\right ) \]
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Time = 0.29 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.19 \[ \int \frac {-6+x^2+\left (-3-x^2 \log (x)\right ) \log \left (\frac {-3-x^2 \log (x)}{3 x^2}\right )}{\left (3 x+x^3 \log (x)\right ) \log \left (\frac {-3-x^2 \log (x)}{3 x^2}\right )} \, dx=-\log \left (x\right ) + \log \left (-\log \left (3\right ) + \log \left (-x^{2} \log \left (x\right ) - 3\right ) - 2 \, \log \left (x\right )\right ) \]
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Time = 10.44 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.00 \[ \int \frac {-6+x^2+\left (-3-x^2 \log (x)\right ) \log \left (\frac {-3-x^2 \log (x)}{3 x^2}\right )}{\left (3 x+x^3 \log (x)\right ) \log \left (\frac {-3-x^2 \log (x)}{3 x^2}\right )} \, dx=\ln \left (\ln \left (-\frac {\frac {x^2\,\ln \left (x\right )}{3}+1}{x^2}\right )\right )-\ln \left (x\right ) \]
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