Integrand size = 81, antiderivative size = 24 \[ \int \frac {-e^{40+e^4-x^2 \log ^2(3 x)}+e^{40+e^4-x^2 \log ^2(3 x)} \left (-2 x^2 \log (x) \log (3 x)-2 x^2 \log (x) \log ^2(3 x)\right ) \log (\log (x))}{x \log (x) \log ^2(\log (x))} \, dx=\frac {e^{40+e^4-x^2 \log ^2(3 x)}}{\log (\log (x))} \]
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Leaf count is larger than twice the leaf count of optimal. \(52\) vs. \(2(24)=48\).
Time = 0.68 (sec) , antiderivative size = 52, normalized size of antiderivative = 2.17, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.025, Rules used = {6820, 2326} \[ \int \frac {-e^{40+e^4-x^2 \log ^2(3 x)}+e^{40+e^4-x^2 \log ^2(3 x)} \left (-2 x^2 \log (x) \log (3 x)-2 x^2 \log (x) \log ^2(3 x)\right ) \log (\log (x))}{x \log (x) \log ^2(\log (x))} \, dx=\frac {x e^{-x^2 \log ^2(3 x)+e^4+40} \log (3 x) (\log (3 x)+1)}{\left (x \log ^2(3 x)+x \log (3 x)\right ) \log (\log (x))} \]
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Rule 2326
Rule 6820
Rubi steps \begin{align*} \text {integral}& = \int \frac {e^{40 \left (1+\frac {e^4}{40}\right )-x^2 \log ^2(3 x)} \left (-1-2 x^2 \log (x) \log (3 x) (1+\log (3 x)) \log (\log (x))\right )}{x \log (x) \log ^2(\log (x))} \, dx \\ & = \frac {e^{40+e^4-x^2 \log ^2(3 x)} x \log (3 x) (1+\log (3 x))}{\left (x \log (3 x)+x \log ^2(3 x)\right ) \log (\log (x))} \\ \end{align*}
Time = 0.09 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.00 \[ \int \frac {-e^{40+e^4-x^2 \log ^2(3 x)}+e^{40+e^4-x^2 \log ^2(3 x)} \left (-2 x^2 \log (x) \log (3 x)-2 x^2 \log (x) \log ^2(3 x)\right ) \log (\log (x))}{x \log (x) \log ^2(\log (x))} \, dx=\frac {e^{40+e^4-x^2 \log ^2(3 x)}}{\log (\log (x))} \]
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Time = 2.57 (sec) , antiderivative size = 23, normalized size of antiderivative = 0.96
method | result | size |
parallelrisch | \(\frac {{\mathrm e}^{-x^{2} \ln \left (3 x \right )^{2}+{\mathrm e}^{4}+40}}{\ln \left (\ln \left (x \right )\right )}\) | \(23\) |
risch | \(\frac {x^{-2 x^{2} \ln \left (3\right )} {\mathrm e}^{-x^{2} \ln \left (x \right )^{2}+40-x^{2} \ln \left (3\right )^{2}+{\mathrm e}^{4}}}{\ln \left (\ln \left (x \right )\right )}\) | \(39\) |
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Time = 0.29 (sec) , antiderivative size = 38, normalized size of antiderivative = 1.58 \[ \int \frac {-e^{40+e^4-x^2 \log ^2(3 x)}+e^{40+e^4-x^2 \log ^2(3 x)} \left (-2 x^2 \log (x) \log (3 x)-2 x^2 \log (x) \log ^2(3 x)\right ) \log (\log (x))}{x \log (x) \log ^2(\log (x))} \, dx=\frac {e^{\left (-x^{2} \log \left (3\right )^{2} - 2 \, x^{2} \log \left (3\right ) \log \left (x\right ) - x^{2} \log \left (x\right )^{2} + e^{4} + 40\right )}}{\log \left (\log \left (x\right )\right )} \]
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Time = 0.21 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.92 \[ \int \frac {-e^{40+e^4-x^2 \log ^2(3 x)}+e^{40+e^4-x^2 \log ^2(3 x)} \left (-2 x^2 \log (x) \log (3 x)-2 x^2 \log (x) \log ^2(3 x)\right ) \log (\log (x))}{x \log (x) \log ^2(\log (x))} \, dx=\frac {e^{- x^{2} \left (\log {\left (x \right )} + \log {\left (3 \right )}\right )^{2} + 40 + e^{4}}}{\log {\left (\log {\left (x \right )} \right )}} \]
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Time = 0.38 (sec) , antiderivative size = 38, normalized size of antiderivative = 1.58 \[ \int \frac {-e^{40+e^4-x^2 \log ^2(3 x)}+e^{40+e^4-x^2 \log ^2(3 x)} \left (-2 x^2 \log (x) \log (3 x)-2 x^2 \log (x) \log ^2(3 x)\right ) \log (\log (x))}{x \log (x) \log ^2(\log (x))} \, dx=\frac {e^{\left (-x^{2} \log \left (3\right )^{2} - 2 \, x^{2} \log \left (3\right ) \log \left (x\right ) - x^{2} \log \left (x\right )^{2} + e^{4} + 40\right )}}{\log \left (\log \left (x\right )\right )} \]
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Time = 0.42 (sec) , antiderivative size = 38, normalized size of antiderivative = 1.58 \[ \int \frac {-e^{40+e^4-x^2 \log ^2(3 x)}+e^{40+e^4-x^2 \log ^2(3 x)} \left (-2 x^2 \log (x) \log (3 x)-2 x^2 \log (x) \log ^2(3 x)\right ) \log (\log (x))}{x \log (x) \log ^2(\log (x))} \, dx=\frac {e^{\left (-x^{2} \log \left (3\right )^{2} - 2 \, x^{2} \log \left (3\right ) \log \left (x\right ) - x^{2} \log \left (x\right )^{2} + e^{4} + 40\right )}}{\log \left (\log \left (x\right )\right )} \]
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Time = 15.36 (sec) , antiderivative size = 42, normalized size of antiderivative = 1.75 \[ \int \frac {-e^{40+e^4-x^2 \log ^2(3 x)}+e^{40+e^4-x^2 \log ^2(3 x)} \left (-2 x^2 \log (x) \log (3 x)-2 x^2 \log (x) \log ^2(3 x)\right ) \log (\log (x))}{x \log (x) \log ^2(\log (x))} \, dx=\frac {{\mathrm {e}}^{40}\,{\mathrm {e}}^{-x^2\,{\ln \left (3\right )}^2}\,{\mathrm {e}}^{{\mathrm {e}}^4}\,{\mathrm {e}}^{-x^2\,{\ln \left (x\right )}^2}}{x^{2\,x^2\,\ln \left (3\right )}\,\ln \left (\ln \left (x\right )\right )} \]
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