Integrand size = 54, antiderivative size = 18 \[ \int \frac {-3+\log \left (\frac {x^3}{3+\log (21)}\right ) \log \left (\log \left (\frac {x^3}{3+\log (21)}\right )\right )}{\log \left (\frac {x^3}{3+\log (21)}\right ) \log ^2\left (\log \left (\frac {x^3}{3+\log (21)}\right )\right )} \, dx=25+\frac {x}{\log \left (\log \left (\frac {x^3}{3+\log (21)}\right )\right )} \]
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\[ \int \frac {-3+\log \left (\frac {x^3}{3+\log (21)}\right ) \log \left (\log \left (\frac {x^3}{3+\log (21)}\right )\right )}{\log \left (\frac {x^3}{3+\log (21)}\right ) \log ^2\left (\log \left (\frac {x^3}{3+\log (21)}\right )\right )} \, dx=\int \frac {-3+\log \left (\frac {x^3}{3+\log (21)}\right ) \log \left (\log \left (\frac {x^3}{3+\log (21)}\right )\right )}{\log \left (\frac {x^3}{3+\log (21)}\right ) \log ^2\left (\log \left (\frac {x^3}{3+\log (21)}\right )\right )} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \frac {-\frac {3}{\log \left (\frac {x^3}{3+\log (21)}\right )}+\log \left (\log \left (\frac {x^3}{3+\log (21)}\right )\right )}{\log ^2\left (\log \left (\frac {x^3}{3+\log (21)}\right )\right )} \, dx \\ & = \int \left (-\frac {3}{\log \left (\frac {x^3}{3+\log (21)}\right ) \log ^2\left (\log \left (\frac {x^3}{3+\log (21)}\right )\right )}+\frac {1}{\log \left (\log \left (\frac {x^3}{3+\log (21)}\right )\right )}\right ) \, dx \\ & = -\left (3 \int \frac {1}{\log \left (\frac {x^3}{3+\log (21)}\right ) \log ^2\left (\log \left (\frac {x^3}{3+\log (21)}\right )\right )} \, dx\right )+\int \frac {1}{\log \left (\log \left (\frac {x^3}{3+\log (21)}\right )\right )} \, dx \\ \end{align*}
Time = 0.09 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.89 \[ \int \frac {-3+\log \left (\frac {x^3}{3+\log (21)}\right ) \log \left (\log \left (\frac {x^3}{3+\log (21)}\right )\right )}{\log \left (\frac {x^3}{3+\log (21)}\right ) \log ^2\left (\log \left (\frac {x^3}{3+\log (21)}\right )\right )} \, dx=\frac {x}{\log \left (\log \left (\frac {x^3}{3+\log (21)}\right )\right )} \]
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Time = 1.05 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.94
method | result | size |
norman | \(\frac {x}{\ln \left (\ln \left (\frac {x^{3}}{\ln \left (21\right )+3}\right )\right )}\) | \(17\) |
parallelrisch | \(\frac {x}{\ln \left (\ln \left (\frac {x^{3}}{\ln \left (21\right )+3}\right )\right )}\) | \(17\) |
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Time = 0.28 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.89 \[ \int \frac {-3+\log \left (\frac {x^3}{3+\log (21)}\right ) \log \left (\log \left (\frac {x^3}{3+\log (21)}\right )\right )}{\log \left (\frac {x^3}{3+\log (21)}\right ) \log ^2\left (\log \left (\frac {x^3}{3+\log (21)}\right )\right )} \, dx=\frac {x}{\log \left (\log \left (\frac {x^{3}}{\log \left (21\right ) + 3}\right )\right )} \]
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Time = 0.06 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.67 \[ \int \frac {-3+\log \left (\frac {x^3}{3+\log (21)}\right ) \log \left (\log \left (\frac {x^3}{3+\log (21)}\right )\right )}{\log \left (\frac {x^3}{3+\log (21)}\right ) \log ^2\left (\log \left (\frac {x^3}{3+\log (21)}\right )\right )} \, dx=\frac {x}{\log {\left (\log {\left (\frac {x^{3}}{3 + \log {\left (21 \right )}} \right )} \right )}} \]
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Time = 0.32 (sec) , antiderivative size = 19, normalized size of antiderivative = 1.06 \[ \int \frac {-3+\log \left (\frac {x^3}{3+\log (21)}\right ) \log \left (\log \left (\frac {x^3}{3+\log (21)}\right )\right )}{\log \left (\frac {x^3}{3+\log (21)}\right ) \log ^2\left (\log \left (\frac {x^3}{3+\log (21)}\right )\right )} \, dx=\frac {x}{\log \left (3 \, \log \left (x\right ) - \log \left (\log \left (7\right ) + \log \left (3\right ) + 3\right )\right )} \]
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Leaf count of result is larger than twice the leaf count of optimal. 44 vs. \(2 (18) = 36\).
Time = 0.28 (sec) , antiderivative size = 44, normalized size of antiderivative = 2.44 \[ \int \frac {-3+\log \left (\frac {x^3}{3+\log (21)}\right ) \log \left (\log \left (\frac {x^3}{3+\log (21)}\right )\right )}{\log \left (\frac {x^3}{3+\log (21)}\right ) \log ^2\left (\log \left (\frac {x^3}{3+\log (21)}\right )\right )} \, dx=\frac {x \log \left (x^{3}\right ) - x \log \left (\log \left (21\right ) + 3\right )}{\log \left (\frac {x^{3}}{\log \left (21\right ) + 3}\right ) \log \left (\log \left (x^{3}\right ) - \log \left (\log \left (21\right ) + 3\right )\right )} \]
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Time = 13.03 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.94 \[ \int \frac {-3+\log \left (\frac {x^3}{3+\log (21)}\right ) \log \left (\log \left (\frac {x^3}{3+\log (21)}\right )\right )}{\log \left (\frac {x^3}{3+\log (21)}\right ) \log ^2\left (\log \left (\frac {x^3}{3+\log (21)}\right )\right )} \, dx=\frac {x}{\ln \left (\ln \left (x^3\right )-\ln \left (\ln \left (21\right )+3\right )\right )} \]
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