Integrand size = 100, antiderivative size = 31 \[ \int \frac {-40+40 x+e^{2 x} \left (-16+80 x-40 x^2\right )}{e^{4 x} \left (2-10 x+5 x^2\right )+e^{2 x} \left (-4+20 x-10 x^2\right ) \log \left (\frac {1}{5} \left (-2+10 x-5 x^2\right )\right )+\left (2-10 x+5 x^2\right ) \log ^2\left (\frac {1}{5} \left (-2+10 x-5 x^2\right )\right )} \, dx=-2+e^4+\log (5)+\frac {4}{e^{2 x}-\log \left (-\frac {2}{5}+(2-x) x\right )} \]
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Time = 0.19 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.81, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.030, Rules used = {6820, 12, 6818} \[ \int \frac {-40+40 x+e^{2 x} \left (-16+80 x-40 x^2\right )}{e^{4 x} \left (2-10 x+5 x^2\right )+e^{2 x} \left (-4+20 x-10 x^2\right ) \log \left (\frac {1}{5} \left (-2+10 x-5 x^2\right )\right )+\left (2-10 x+5 x^2\right ) \log ^2\left (\frac {1}{5} \left (-2+10 x-5 x^2\right )\right )} \, dx=\frac {4}{e^{2 x}-\log \left (-x^2+2 x-\frac {2}{5}\right )} \]
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Rule 12
Rule 6818
Rule 6820
Rubi steps \begin{align*} \text {integral}& = \int \frac {8 \left (-5+5 x-e^{2 x} \left (2-10 x+5 x^2\right )\right )}{\left (2-10 x+5 x^2\right ) \left (e^{2 x}-\log \left (-\frac {2}{5}+2 x-x^2\right )\right )^2} \, dx \\ & = 8 \int \frac {-5+5 x-e^{2 x} \left (2-10 x+5 x^2\right )}{\left (2-10 x+5 x^2\right ) \left (e^{2 x}-\log \left (-\frac {2}{5}+2 x-x^2\right )\right )^2} \, dx \\ & = \frac {4}{e^{2 x}-\log \left (-\frac {2}{5}+2 x-x^2\right )} \\ \end{align*}
Time = 0.06 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.81 \[ \int \frac {-40+40 x+e^{2 x} \left (-16+80 x-40 x^2\right )}{e^{4 x} \left (2-10 x+5 x^2\right )+e^{2 x} \left (-4+20 x-10 x^2\right ) \log \left (\frac {1}{5} \left (-2+10 x-5 x^2\right )\right )+\left (2-10 x+5 x^2\right ) \log ^2\left (\frac {1}{5} \left (-2+10 x-5 x^2\right )\right )} \, dx=\frac {4}{e^{2 x}-\log \left (-\frac {2}{5}+2 x-x^2\right )} \]
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Time = 0.27 (sec) , antiderivative size = 23, normalized size of antiderivative = 0.74
method | result | size |
risch | \(\frac {4}{{\mathrm e}^{2 x}-\ln \left (-x^{2}+2 x -\frac {2}{5}\right )}\) | \(23\) |
parallelrisch | \(\frac {4}{{\mathrm e}^{2 x}-\ln \left (-x^{2}+2 x -\frac {2}{5}\right )}\) | \(23\) |
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Time = 0.25 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.71 \[ \int \frac {-40+40 x+e^{2 x} \left (-16+80 x-40 x^2\right )}{e^{4 x} \left (2-10 x+5 x^2\right )+e^{2 x} \left (-4+20 x-10 x^2\right ) \log \left (\frac {1}{5} \left (-2+10 x-5 x^2\right )\right )+\left (2-10 x+5 x^2\right ) \log ^2\left (\frac {1}{5} \left (-2+10 x-5 x^2\right )\right )} \, dx=\frac {4}{e^{\left (2 \, x\right )} - \log \left (-x^{2} + 2 \, x - \frac {2}{5}\right )} \]
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Time = 0.12 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.55 \[ \int \frac {-40+40 x+e^{2 x} \left (-16+80 x-40 x^2\right )}{e^{4 x} \left (2-10 x+5 x^2\right )+e^{2 x} \left (-4+20 x-10 x^2\right ) \log \left (\frac {1}{5} \left (-2+10 x-5 x^2\right )\right )+\left (2-10 x+5 x^2\right ) \log ^2\left (\frac {1}{5} \left (-2+10 x-5 x^2\right )\right )} \, dx=\frac {4}{e^{2 x} - \log {\left (- x^{2} + 2 x - \frac {2}{5} \right )}} \]
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Time = 0.34 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.77 \[ \int \frac {-40+40 x+e^{2 x} \left (-16+80 x-40 x^2\right )}{e^{4 x} \left (2-10 x+5 x^2\right )+e^{2 x} \left (-4+20 x-10 x^2\right ) \log \left (\frac {1}{5} \left (-2+10 x-5 x^2\right )\right )+\left (2-10 x+5 x^2\right ) \log ^2\left (\frac {1}{5} \left (-2+10 x-5 x^2\right )\right )} \, dx=\frac {4}{e^{\left (2 \, x\right )} + \log \left (5\right ) - \log \left (-5 \, x^{2} + 10 \, x - 2\right )} \]
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Time = 0.29 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.77 \[ \int \frac {-40+40 x+e^{2 x} \left (-16+80 x-40 x^2\right )}{e^{4 x} \left (2-10 x+5 x^2\right )+e^{2 x} \left (-4+20 x-10 x^2\right ) \log \left (\frac {1}{5} \left (-2+10 x-5 x^2\right )\right )+\left (2-10 x+5 x^2\right ) \log ^2\left (\frac {1}{5} \left (-2+10 x-5 x^2\right )\right )} \, dx=\frac {4}{e^{\left (2 \, x\right )} + \log \left (5\right ) - \log \left (-5 \, x^{2} + 10 \, x - 2\right )} \]
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Time = 16.51 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.71 \[ \int \frac {-40+40 x+e^{2 x} \left (-16+80 x-40 x^2\right )}{e^{4 x} \left (2-10 x+5 x^2\right )+e^{2 x} \left (-4+20 x-10 x^2\right ) \log \left (\frac {1}{5} \left (-2+10 x-5 x^2\right )\right )+\left (2-10 x+5 x^2\right ) \log ^2\left (\frac {1}{5} \left (-2+10 x-5 x^2\right )\right )} \, dx=\frac {4}{{\mathrm {e}}^{2\,x}-\ln \left (-x^2+2\,x-\frac {2}{5}\right )} \]
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