Integrand size = 64, antiderivative size = 22 \[ \int \frac {128-16 e^x}{\left (-80+4 e^x-32 x+\left (-20+e^x-8 x\right ) \log \left (\frac {1}{4} \left (100-5 e^x+40 x\right )\right )\right ) \log ^2\left (4+\log \left (\frac {1}{4} \left (100-5 e^x+40 x\right )\right )\right )} \, dx=\frac {16}{\log \left (4+\log \left (5 \left (5-\frac {e^x}{4}+2 x\right )\right )\right )} \]
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Time = 0.09 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.016, Rules used = {6818} \[ \int \frac {128-16 e^x}{\left (-80+4 e^x-32 x+\left (-20+e^x-8 x\right ) \log \left (\frac {1}{4} \left (100-5 e^x+40 x\right )\right )\right ) \log ^2\left (4+\log \left (\frac {1}{4} \left (100-5 e^x+40 x\right )\right )\right )} \, dx=\frac {16}{\log \left (\log \left (\frac {5}{4} \left (8 x-e^x+20\right )\right )+4\right )} \]
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Rule 6818
Rubi steps \begin{align*} \text {integral}& = \frac {16}{\log \left (4+\log \left (\frac {5}{4} \left (20-e^x+8 x\right )\right )\right )} \\ \end{align*}
Time = 0.04 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.91 \[ \int \frac {128-16 e^x}{\left (-80+4 e^x-32 x+\left (-20+e^x-8 x\right ) \log \left (\frac {1}{4} \left (100-5 e^x+40 x\right )\right )\right ) \log ^2\left (4+\log \left (\frac {1}{4} \left (100-5 e^x+40 x\right )\right )\right )} \, dx=\frac {16}{\log \left (4+\log \left (25-\frac {5 e^x}{4}+10 x\right )\right )} \]
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Time = 0.79 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.82
method | result | size |
risch | \(\frac {16}{\ln \left (\ln \left (-\frac {5 \,{\mathrm e}^{x}}{4}+10 x +25\right )+4\right )}\) | \(18\) |
parallelrisch | \(\frac {16}{\ln \left (\ln \left (-\frac {5 \,{\mathrm e}^{x}}{4}+10 x +25\right )+4\right )}\) | \(18\) |
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none
Time = 0.24 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.77 \[ \int \frac {128-16 e^x}{\left (-80+4 e^x-32 x+\left (-20+e^x-8 x\right ) \log \left (\frac {1}{4} \left (100-5 e^x+40 x\right )\right )\right ) \log ^2\left (4+\log \left (\frac {1}{4} \left (100-5 e^x+40 x\right )\right )\right )} \, dx=\frac {16}{\log \left (\log \left (10 \, x - \frac {5}{4} \, e^{x} + 25\right ) + 4\right )} \]
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Time = 0.74 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.77 \[ \int \frac {128-16 e^x}{\left (-80+4 e^x-32 x+\left (-20+e^x-8 x\right ) \log \left (\frac {1}{4} \left (100-5 e^x+40 x\right )\right )\right ) \log ^2\left (4+\log \left (\frac {1}{4} \left (100-5 e^x+40 x\right )\right )\right )} \, dx=\frac {16}{\log {\left (\log {\left (10 x - \frac {5 e^{x}}{4} + 25 \right )} + 4 \right )}} \]
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Result contains complex when optimal does not.
Time = 0.36 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.09 \[ \int \frac {128-16 e^x}{\left (-80+4 e^x-32 x+\left (-20+e^x-8 x\right ) \log \left (\frac {1}{4} \left (100-5 e^x+40 x\right )\right )\right ) \log ^2\left (4+\log \left (\frac {1}{4} \left (100-5 e^x+40 x\right )\right )\right )} \, dx=\frac {16}{\log \left (i \, \pi + \log \left (5\right ) - 2 \, \log \left (2\right ) + \log \left (-8 \, x + e^{x} - 20\right ) + 4\right )} \]
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Leaf count of result is larger than twice the leaf count of optimal. 74 vs. \(2 (17) = 34\).
Time = 0.33 (sec) , antiderivative size = 74, normalized size of antiderivative = 3.36 \[ \int \frac {128-16 e^x}{\left (-80+4 e^x-32 x+\left (-20+e^x-8 x\right ) \log \left (\frac {1}{4} \left (100-5 e^x+40 x\right )\right )\right ) \log ^2\left (4+\log \left (\frac {1}{4} \left (100-5 e^x+40 x\right )\right )\right )} \, dx=-\frac {16 \, {\left (\log \left (10 \, x - \frac {5}{4} \, e^{x} + 25\right ) + 4\right )}}{2 \, \log \left (2\right ) \log \left (\log \left (10 \, x - \frac {5}{4} \, e^{x} + 25\right ) + 4\right ) - \log \left (40 \, x - 5 \, e^{x} + 100\right ) \log \left (\log \left (10 \, x - \frac {5}{4} \, e^{x} + 25\right ) + 4\right ) - 4 \, \log \left (\log \left (10 \, x - \frac {5}{4} \, e^{x} + 25\right ) + 4\right )} \]
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Time = 14.56 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.77 \[ \int \frac {128-16 e^x}{\left (-80+4 e^x-32 x+\left (-20+e^x-8 x\right ) \log \left (\frac {1}{4} \left (100-5 e^x+40 x\right )\right )\right ) \log ^2\left (4+\log \left (\frac {1}{4} \left (100-5 e^x+40 x\right )\right )\right )} \, dx=\frac {16}{\ln \left (\ln \left (10\,x-\frac {5\,{\mathrm {e}}^x}{4}+25\right )+4\right )} \]
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