Integrand size = 45, antiderivative size = 15 \[ \int \frac {x^{-1-\frac {1}{\log (\log (x))}} \left (e^{2+x}-e^{2+x} \log (\log (x))+e^{2+x} x \log ^2(\log (x))\right )}{\log ^2(\log (x))} \, dx=e^{2+x} x^{-\frac {1}{\log (\log (x))}} \]
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Time = 0.13 (sec) , antiderivative size = 15, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.044, Rules used = {6820, 2326} \[ \int \frac {x^{-1-\frac {1}{\log (\log (x))}} \left (e^{2+x}-e^{2+x} \log (\log (x))+e^{2+x} x \log ^2(\log (x))\right )}{\log ^2(\log (x))} \, dx=e^{x+2} x^{-\frac {1}{\log (\log (x))}} \]
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Rule 2326
Rule 6820
Rubi steps \begin{align*} \text {integral}& = \int \frac {e^{2+x} x^{-1-\frac {1}{\log (\log (x))}} \left (1-\log (\log (x))+x \log ^2(\log (x))\right )}{\log ^2(\log (x))} \, dx \\ & = e^{2+x} x^{-\frac {1}{\log (\log (x))}} \\ \end{align*}
Time = 0.03 (sec) , antiderivative size = 15, normalized size of antiderivative = 1.00 \[ \int \frac {x^{-1-\frac {1}{\log (\log (x))}} \left (e^{2+x}-e^{2+x} \log (\log (x))+e^{2+x} x \log ^2(\log (x))\right )}{\log ^2(\log (x))} \, dx=e^{2+x} x^{-\frac {1}{\log (\log (x))}} \]
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Time = 52.88 (sec) , antiderivative size = 15, normalized size of antiderivative = 1.00
method | result | size |
risch | \(x^{-\frac {1}{\ln \left (\ln \left (x \right )\right )}} {\mathrm e}^{2+x}\) | \(15\) |
parallelrisch | \({\mathrm e}^{2} {\mathrm e}^{x} {\mathrm e}^{-\frac {\ln \left (x \right )}{\ln \left (\ln \left (x \right )\right )}}\) | \(17\) |
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none
Time = 0.23 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.93 \[ \int \frac {x^{-1-\frac {1}{\log (\log (x))}} \left (e^{2+x}-e^{2+x} \log (\log (x))+e^{2+x} x \log ^2(\log (x))\right )}{\log ^2(\log (x))} \, dx=\frac {e^{\left (x + 2\right )}}{x^{\left (\frac {1}{\log \left (\log \left (x\right )\right )}\right )}} \]
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Time = 13.36 (sec) , antiderivative size = 15, normalized size of antiderivative = 1.00 \[ \int \frac {x^{-1-\frac {1}{\log (\log (x))}} \left (e^{2+x}-e^{2+x} \log (\log (x))+e^{2+x} x \log ^2(\log (x))\right )}{\log ^2(\log (x))} \, dx=e^{2} e^{x} e^{- \frac {\log {\left (x \right )}}{\log {\left (\log {\left (x \right )} \right )}}} \]
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Exception generated. \[ \int \frac {x^{-1-\frac {1}{\log (\log (x))}} \left (e^{2+x}-e^{2+x} \log (\log (x))+e^{2+x} x \log ^2(\log (x))\right )}{\log ^2(\log (x))} \, dx=\text {Exception raised: RuntimeError} \]
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\[ \int \frac {x^{-1-\frac {1}{\log (\log (x))}} \left (e^{2+x}-e^{2+x} \log (\log (x))+e^{2+x} x \log ^2(\log (x))\right )}{\log ^2(\log (x))} \, dx=\int { \frac {x e^{\left (x + 2\right )} \log \left (\log \left (x\right )\right )^{2} - e^{\left (x + 2\right )} \log \left (\log \left (x\right )\right ) + e^{\left (x + 2\right )}}{x x^{\left (\frac {1}{\log \left (\log \left (x\right )\right )}\right )} \log \left (\log \left (x\right )\right )^{2}} \,d x } \]
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Time = 14.26 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.93 \[ \int \frac {x^{-1-\frac {1}{\log (\log (x))}} \left (e^{2+x}-e^{2+x} \log (\log (x))+e^{2+x} x \log ^2(\log (x))\right )}{\log ^2(\log (x))} \, dx=\frac {{\mathrm {e}}^2\,{\mathrm {e}}^x}{x^{\frac {1}{\ln \left (\ln \left (x\right )\right )}}} \]
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