Integrand size = 100, antiderivative size = 19 \[ \int \frac {e^{\frac {1}{x+10 \log (25)+\log \left (\frac {\log (4)}{-16+x}\right )}} (17-x)}{-16 x^2+x^3+\left (-320 x+20 x^2\right ) \log (25)+(-1600+100 x) \log ^2(25)+\left (-32 x+2 x^2+(-320+20 x) \log (25)\right ) \log \left (\frac {\log (4)}{-16+x}\right )+(-16+x) \log ^2\left (\frac {\log (4)}{-16+x}\right )} \, dx=e^{\frac {1}{x+10 \log (25)+\log \left (\frac {\log (4)}{-16+x}\right )}} \]
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Time = 0.56 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.16, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.020, Rules used = {6820, 6838} \[ \int \frac {e^{\frac {1}{x+10 \log (25)+\log \left (\frac {\log (4)}{-16+x}\right )}} (17-x)}{-16 x^2+x^3+\left (-320 x+20 x^2\right ) \log (25)+(-1600+100 x) \log ^2(25)+\left (-32 x+2 x^2+(-320+20 x) \log (25)\right ) \log \left (\frac {\log (4)}{-16+x}\right )+(-16+x) \log ^2\left (\frac {\log (4)}{-16+x}\right )} \, dx=e^{\frac {1}{x+\log \left (-\frac {\log (4)}{16-x}\right )+10 \log (25)}} \]
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Rule 6820
Rule 6838
Rubi steps \begin{align*} \text {integral}& = \int \frac {e^{\frac {1}{x+10 \log (25)+\log \left (\frac {\log (4)}{-16+x}\right )}} (-17+x)}{(16-x) \left (x+10 \log (25)+\log \left (\frac {\log (4)}{-16+x}\right )\right )^2} \, dx \\ & = e^{\frac {1}{x+10 \log (25)+\log \left (-\frac {\log (4)}{16-x}\right )}} \\ \end{align*}
Time = 2.26 (sec) , antiderivative size = 19, normalized size of antiderivative = 1.00 \[ \int \frac {e^{\frac {1}{x+10 \log (25)+\log \left (\frac {\log (4)}{-16+x}\right )}} (17-x)}{-16 x^2+x^3+\left (-320 x+20 x^2\right ) \log (25)+(-1600+100 x) \log ^2(25)+\left (-32 x+2 x^2+(-320+20 x) \log (25)\right ) \log \left (\frac {\log (4)}{-16+x}\right )+(-16+x) \log ^2\left (\frac {\log (4)}{-16+x}\right )} \, dx=e^{\frac {1}{x+10 \log (25)+\log \left (\frac {\log (4)}{-16+x}\right )}} \]
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Time = 0.81 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.05
method | result | size |
risch | \({\mathrm e}^{\frac {1}{\ln \left (\frac {2 \ln \left (2\right )}{x -16}\right )+20 \ln \left (5\right )+x}}\) | \(20\) |
parallelrisch | \({\mathrm e}^{\frac {1}{\ln \left (\frac {2 \ln \left (2\right )}{x -16}\right )+20 \ln \left (5\right )+x}}\) | \(20\) |
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Time = 0.23 (sec) , antiderivative size = 19, normalized size of antiderivative = 1.00 \[ \int \frac {e^{\frac {1}{x+10 \log (25)+\log \left (\frac {\log (4)}{-16+x}\right )}} (17-x)}{-16 x^2+x^3+\left (-320 x+20 x^2\right ) \log (25)+(-1600+100 x) \log ^2(25)+\left (-32 x+2 x^2+(-320+20 x) \log (25)\right ) \log \left (\frac {\log (4)}{-16+x}\right )+(-16+x) \log ^2\left (\frac {\log (4)}{-16+x}\right )} \, dx=e^{\left (\frac {1}{x + 20 \, \log \left (5\right ) + \log \left (\frac {2 \, \log \left (2\right )}{x - 16}\right )}\right )} \]
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Time = 0.25 (sec) , antiderivative size = 19, normalized size of antiderivative = 1.00 \[ \int \frac {e^{\frac {1}{x+10 \log (25)+\log \left (\frac {\log (4)}{-16+x}\right )}} (17-x)}{-16 x^2+x^3+\left (-320 x+20 x^2\right ) \log (25)+(-1600+100 x) \log ^2(25)+\left (-32 x+2 x^2+(-320+20 x) \log (25)\right ) \log \left (\frac {\log (4)}{-16+x}\right )+(-16+x) \log ^2\left (\frac {\log (4)}{-16+x}\right )} \, dx=e^{\frac {1}{x + \log {\left (\frac {2 \log {\left (2 \right )}}{x - 16} \right )} + 20 \log {\left (5 \right )}}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 55 vs. \(2 (19) = 38\).
Time = 0.29 (sec) , antiderivative size = 55, normalized size of antiderivative = 2.89 \[ \int \frac {e^{\frac {1}{x+10 \log (25)+\log \left (\frac {\log (4)}{-16+x}\right )}} (17-x)}{-16 x^2+x^3+\left (-320 x+20 x^2\right ) \log (25)+(-1600+100 x) \log ^2(25)+\left (-32 x+2 x^2+(-320+20 x) \log (25)\right ) \log \left (\frac {\log (4)}{-16+x}\right )+(-16+x) \log ^2\left (\frac {\log (4)}{-16+x}\right )} \, dx=\frac {x e^{\left (\frac {1}{x + 20 \, \log \left (5\right ) + \log \left (2\right ) - \log \left (x - 16\right ) + \log \left (\log \left (2\right )\right )}\right )}}{x - 17} - \frac {17 \, e^{\left (\frac {1}{x + 20 \, \log \left (5\right ) + \log \left (2\right ) - \log \left (x - 16\right ) + \log \left (\log \left (2\right )\right )}\right )}}{x - 17} \]
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Time = 0.29 (sec) , antiderivative size = 19, normalized size of antiderivative = 1.00 \[ \int \frac {e^{\frac {1}{x+10 \log (25)+\log \left (\frac {\log (4)}{-16+x}\right )}} (17-x)}{-16 x^2+x^3+\left (-320 x+20 x^2\right ) \log (25)+(-1600+100 x) \log ^2(25)+\left (-32 x+2 x^2+(-320+20 x) \log (25)\right ) \log \left (\frac {\log (4)}{-16+x}\right )+(-16+x) \log ^2\left (\frac {\log (4)}{-16+x}\right )} \, dx=e^{\left (\frac {1}{x + 20 \, \log \left (5\right ) + \log \left (\frac {2 \, \log \left (2\right )}{x - 16}\right )}\right )} \]
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Time = 8.66 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.79 \[ \int \frac {e^{\frac {1}{x+10 \log (25)+\log \left (\frac {\log (4)}{-16+x}\right )}} (17-x)}{-16 x^2+x^3+\left (-320 x+20 x^2\right ) \log (25)+(-1600+100 x) \log ^2(25)+\left (-32 x+2 x^2+(-320+20 x) \log (25)\right ) \log \left (\frac {\log (4)}{-16+x}\right )+(-16+x) \log ^2\left (\frac {\log (4)}{-16+x}\right )} \, dx={\mathrm {e}}^{\frac {1}{x+\ln \left (\frac {190734863281250\,\ln \left (2\right )}{x-16}\right )}} \]
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