Integrand size = 43, antiderivative size = 22 \[ \int \frac {e^{-x} \left (4+\left (-4+4 e^x x^6\right ) \log (x)+(-20-4 x) \log (x) \log \left (\frac {\log (x)}{x}\right )\right )}{x^6 \log (x)} \, dx=5+4 \left (x+\frac {e^{-x} \log \left (\frac {\log (x)}{x}\right )}{x^5}\right ) \]
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Time = 0.33 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.95, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.047, Rules used = {6874, 2326} \[ \int \frac {e^{-x} \left (4+\left (-4+4 e^x x^6\right ) \log (x)+(-20-4 x) \log (x) \log \left (\frac {\log (x)}{x}\right )\right )}{x^6 \log (x)} \, dx=\frac {4 e^{-x} \log \left (\frac {\log (x)}{x}\right )}{x^5}+4 x \]
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Rule 2326
Rule 6874
Rubi steps \begin{align*} \text {integral}& = \int \left (4-\frac {4 e^{-x} \left (-1+\log (x)+5 \log (x) \log \left (\frac {\log (x)}{x}\right )+x \log (x) \log \left (\frac {\log (x)}{x}\right )\right )}{x^6 \log (x)}\right ) \, dx \\ & = 4 x-4 \int \frac {e^{-x} \left (-1+\log (x)+5 \log (x) \log \left (\frac {\log (x)}{x}\right )+x \log (x) \log \left (\frac {\log (x)}{x}\right )\right )}{x^6 \log (x)} \, dx \\ & = 4 x+\frac {4 e^{-x} \log \left (\frac {\log (x)}{x}\right )}{x^5} \\ \end{align*}
Time = 0.12 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.95 \[ \int \frac {e^{-x} \left (4+\left (-4+4 e^x x^6\right ) \log (x)+(-20-4 x) \log (x) \log \left (\frac {\log (x)}{x}\right )\right )}{x^6 \log (x)} \, dx=4 x+\frac {4 e^{-x} \log \left (\frac {\log (x)}{x}\right )}{x^5} \]
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Time = 0.70 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.18
method | result | size |
parallelrisch | \(\frac {\left (4 x^{6} {\mathrm e}^{x}+4 \ln \left (\frac {\ln \left (x \right )}{x}\right )\right ) {\mathrm e}^{-x}}{x^{5}}\) | \(26\) |
risch | \(\frac {4 \,{\mathrm e}^{-x} \ln \left (\ln \left (x \right )\right )}{x^{5}}-\frac {2 \left (-2 x^{6} {\mathrm e}^{x}-i \pi \,\operatorname {csgn}\left (i \ln \left (x \right )\right ) \operatorname {csgn}\left (\frac {i \ln \left (x \right )}{x}\right )^{2}+i \pi \,\operatorname {csgn}\left (i \ln \left (x \right )\right ) \operatorname {csgn}\left (\frac {i \ln \left (x \right )}{x}\right ) \operatorname {csgn}\left (\frac {i}{x}\right )+i \pi \operatorname {csgn}\left (\frac {i \ln \left (x \right )}{x}\right )^{3}-i \pi \operatorname {csgn}\left (\frac {i \ln \left (x \right )}{x}\right )^{2} \operatorname {csgn}\left (\frac {i}{x}\right )+2 \ln \left (x \right )\right ) {\mathrm e}^{-x}}{x^{5}}\) | \(119\) |
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Time = 0.25 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.05 \[ \int \frac {e^{-x} \left (4+\left (-4+4 e^x x^6\right ) \log (x)+(-20-4 x) \log (x) \log \left (\frac {\log (x)}{x}\right )\right )}{x^6 \log (x)} \, dx=\frac {4 \, {\left (x^{6} e^{x} + \log \left (\frac {\log \left (x\right )}{x}\right )\right )} e^{\left (-x\right )}}{x^{5}} \]
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Time = 0.13 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.77 \[ \int \frac {e^{-x} \left (4+\left (-4+4 e^x x^6\right ) \log (x)+(-20-4 x) \log (x) \log \left (\frac {\log (x)}{x}\right )\right )}{x^6 \log (x)} \, dx=4 x + \frac {4 e^{- x} \log {\left (\frac {\log {\left (x \right )}}{x} \right )}}{x^{5}} \]
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\[ \int \frac {e^{-x} \left (4+\left (-4+4 e^x x^6\right ) \log (x)+(-20-4 x) \log (x) \log \left (\frac {\log (x)}{x}\right )\right )}{x^6 \log (x)} \, dx=\int { -\frac {4 \, {\left ({\left (x + 5\right )} \log \left (x\right ) \log \left (\frac {\log \left (x\right )}{x}\right ) - {\left (x^{6} e^{x} - 1\right )} \log \left (x\right ) - 1\right )} e^{\left (-x\right )}}{x^{6} \log \left (x\right )} \,d x } \]
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Time = 0.30 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.14 \[ \int \frac {e^{-x} \left (4+\left (-4+4 e^x x^6\right ) \log (x)+(-20-4 x) \log (x) \log \left (\frac {\log (x)}{x}\right )\right )}{x^6 \log (x)} \, dx=\frac {4 \, {\left (x^{6} - e^{\left (-x\right )} \log \left (x\right ) + e^{\left (-x\right )} \log \left (\log \left (x\right )\right )\right )}}{x^{5}} \]
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Timed out. \[ \int \frac {e^{-x} \left (4+\left (-4+4 e^x x^6\right ) \log (x)+(-20-4 x) \log (x) \log \left (\frac {\log (x)}{x}\right )\right )}{x^6 \log (x)} \, dx=\int \frac {{\mathrm {e}}^{-x}\,\left (\ln \left (x\right )\,\left (4\,x^6\,{\mathrm {e}}^x-4\right )-\ln \left (\frac {\ln \left (x\right )}{x}\right )\,\ln \left (x\right )\,\left (4\,x+20\right )+4\right )}{x^6\,\ln \left (x\right )} \,d x \]
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