Integrand size = 54, antiderivative size = 32 \[ \int \frac {16-24 e^{2 x}-16 x+e^x \left (40-8 x-4 x^2\right )}{-2 x+3 e^{2 x} x+e^x \left (-5 x-x^2\right )} \, dx=4 \left (4+x-\log \left (\frac {1}{15} \left (-5-2 e^{-x}+3 e^x-x\right ) x^2\right )\right ) \]
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\[ \int \frac {16-24 e^{2 x}-16 x+e^x \left (40-8 x-4 x^2\right )}{-2 x+3 e^{2 x} x+e^x \left (-5 x-x^2\right )} \, dx=\int \frac {16-24 e^{2 x}-16 x+e^x \left (40-8 x-4 x^2\right )}{-2 x+3 e^{2 x} x+e^x \left (-5 x-x^2\right )} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \left (-\frac {8}{x}-\frac {4 \left (4+4 e^x+e^x x\right )}{-2-5 e^x+3 e^{2 x}-e^x x}\right ) \, dx \\ & = -8 \log (x)-4 \int \frac {4+4 e^x+e^x x}{-2-5 e^x+3 e^{2 x}-e^x x} \, dx \\ & = -8 \log (x)-4 \int \left (\frac {4}{-2-5 e^x+3 e^{2 x}-e^x x}+\frac {4 e^x}{-2-5 e^x+3 e^{2 x}-e^x x}+\frac {e^x x}{-2-5 e^x+3 e^{2 x}-e^x x}\right ) \, dx \\ & = -8 \log (x)-4 \int \frac {e^x x}{-2-5 e^x+3 e^{2 x}-e^x x} \, dx-16 \int \frac {1}{-2-5 e^x+3 e^{2 x}-e^x x} \, dx-16 \int \frac {e^x}{-2-5 e^x+3 e^{2 x}-e^x x} \, dx \\ \end{align*}
Time = 1.28 (sec) , antiderivative size = 32, normalized size of antiderivative = 1.00 \[ \int \frac {16-24 e^{2 x}-16 x+e^x \left (40-8 x-4 x^2\right )}{-2 x+3 e^{2 x} x+e^x \left (-5 x-x^2\right )} \, dx=4 \left (2 x-2 \log (x)-\log \left (2+5 e^x-3 e^{2 x}+e^x x\right )\right ) \]
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Time = 0.03 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.81
method | result | size |
risch | \(-8 \ln \left (x \right )+8 x -4 \ln \left ({\mathrm e}^{2 x}+\left (-\frac {x}{3}-\frac {5}{3}\right ) {\mathrm e}^{x}-\frac {2}{3}\right )\) | \(26\) |
norman | \(8 x -8 \ln \left (x \right )-4 \ln \left ({\mathrm e}^{x} x -3 \,{\mathrm e}^{2 x}+5 \,{\mathrm e}^{x}+2\right )\) | \(28\) |
parallelrisch | \(8 x -8 \ln \left (x \right )-4 \ln \left ({\mathrm e}^{x} x -3 \,{\mathrm e}^{2 x}+5 \,{\mathrm e}^{x}+2\right )\) | \(28\) |
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Time = 0.25 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.81 \[ \int \frac {16-24 e^{2 x}-16 x+e^x \left (40-8 x-4 x^2\right )}{-2 x+3 e^{2 x} x+e^x \left (-5 x-x^2\right )} \, dx=8 \, x - 4 \, \log \left (-{\left (x + 5\right )} e^{x} + 3 \, e^{\left (2 \, x\right )} - 2\right ) - 8 \, \log \left (x\right ) \]
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Time = 0.12 (sec) , antiderivative size = 31, normalized size of antiderivative = 0.97 \[ \int \frac {16-24 e^{2 x}-16 x+e^x \left (40-8 x-4 x^2\right )}{-2 x+3 e^{2 x} x+e^x \left (-5 x-x^2\right )} \, dx=8 x - 8 \log {\left (x \right )} - 4 \log {\left (\left (- \frac {x}{3} - \frac {5}{3}\right ) e^{x} + e^{2 x} - \frac {2}{3} \right )} \]
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Time = 0.22 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.75 \[ \int \frac {16-24 e^{2 x}-16 x+e^x \left (40-8 x-4 x^2\right )}{-2 x+3 e^{2 x} x+e^x \left (-5 x-x^2\right )} \, dx=8 \, x - 4 \, \log \left (-\frac {1}{3} \, {\left (x + 5\right )} e^{x} + e^{\left (2 \, x\right )} - \frac {2}{3}\right ) - 8 \, \log \left (x\right ) \]
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Time = 0.29 (sec) , antiderivative size = 28, normalized size of antiderivative = 0.88 \[ \int \frac {16-24 e^{2 x}-16 x+e^x \left (40-8 x-4 x^2\right )}{-2 x+3 e^{2 x} x+e^x \left (-5 x-x^2\right )} \, dx=8 \, x - 4 \, \log \left (-x e^{x} + 3 \, e^{\left (2 \, x\right )} - 5 \, e^{x} - 2\right ) - 8 \, \log \left (x\right ) \]
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Time = 0.11 (sec) , antiderivative size = 27, normalized size of antiderivative = 0.84 \[ \int \frac {16-24 e^{2 x}-16 x+e^x \left (40-8 x-4 x^2\right )}{-2 x+3 e^{2 x} x+e^x \left (-5 x-x^2\right )} \, dx=8\,x-4\,\ln \left (5\,{\mathrm {e}}^x-3\,{\mathrm {e}}^{2\,x}+x\,{\mathrm {e}}^x+2\right )-8\,\ln \left (x\right ) \]
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