Integrand size = 33, antiderivative size = 13 \[ \int \frac {3+2 e^{2 x} x^2}{-3 x+5 x^2+e^{2 x} x^2} \, dx=\log \left (5+e^{2 x}-\frac {3}{x}\right ) \]
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\[ \int \frac {3+2 e^{2 x} x^2}{-3 x+5 x^2+e^{2 x} x^2} \, dx=\int \frac {3+2 e^{2 x} x^2}{-3 x+5 x^2+e^{2 x} x^2} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \left (2-\frac {-3-6 x+10 x^2}{x \left (-3+5 x+e^{2 x} x\right )}\right ) \, dx \\ & = 2 x-\int \frac {-3-6 x+10 x^2}{x \left (-3+5 x+e^{2 x} x\right )} \, dx \\ & = 2 x-\int \left (-\frac {6}{-3+5 x+e^{2 x} x}-\frac {3}{x \left (-3+5 x+e^{2 x} x\right )}+\frac {10 x}{-3+5 x+e^{2 x} x}\right ) \, dx \\ & = 2 x+3 \int \frac {1}{x \left (-3+5 x+e^{2 x} x\right )} \, dx+6 \int \frac {1}{-3+5 x+e^{2 x} x} \, dx-10 \int \frac {x}{-3+5 x+e^{2 x} x} \, dx \\ \end{align*}
Time = 0.42 (sec) , antiderivative size = 19, normalized size of antiderivative = 1.46 \[ \int \frac {3+2 e^{2 x} x^2}{-3 x+5 x^2+e^{2 x} x^2} \, dx=-\log (x)+\log \left (3-5 x-e^{2 x} x\right ) \]
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Time = 0.10 (sec) , antiderivative size = 16, normalized size of antiderivative = 1.23
method | result | size |
risch | \(\ln \left ({\mathrm e}^{2 x}+\frac {5 x -3}{x}\right )\) | \(16\) |
norman | \(-\ln \left (x \right )+\ln \left (x \,{\mathrm e}^{2 x}+5 x -3\right )\) | \(18\) |
parallelrisch | \(-\ln \left (x \right )+\ln \left (x \,{\mathrm e}^{2 x}+5 x -3\right )\) | \(18\) |
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Time = 0.25 (sec) , antiderivative size = 16, normalized size of antiderivative = 1.23 \[ \int \frac {3+2 e^{2 x} x^2}{-3 x+5 x^2+e^{2 x} x^2} \, dx=\log \left (\frac {x e^{\left (2 \, x\right )} + 5 \, x - 3}{x}\right ) \]
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Time = 0.10 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.92 \[ \int \frac {3+2 e^{2 x} x^2}{-3 x+5 x^2+e^{2 x} x^2} \, dx=\log {\left (e^{2 x} + \frac {5 x - 3}{x} \right )} \]
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Time = 0.21 (sec) , antiderivative size = 16, normalized size of antiderivative = 1.23 \[ \int \frac {3+2 e^{2 x} x^2}{-3 x+5 x^2+e^{2 x} x^2} \, dx=\log \left (\frac {x e^{\left (2 \, x\right )} + 5 \, x - 3}{x}\right ) \]
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Time = 0.27 (sec) , antiderivative size = 17, normalized size of antiderivative = 1.31 \[ \int \frac {3+2 e^{2 x} x^2}{-3 x+5 x^2+e^{2 x} x^2} \, dx=\log \left (x e^{\left (2 \, x\right )} + 5 \, x - 3\right ) - \log \left (x\right ) \]
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Time = 13.24 (sec) , antiderivative size = 17, normalized size of antiderivative = 1.31 \[ \int \frac {3+2 e^{2 x} x^2}{-3 x+5 x^2+e^{2 x} x^2} \, dx=\ln \left (5\,x+x\,{\mathrm {e}}^{2\,x}-3\right )-\ln \left (x\right ) \]
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