Integrand size = 38, antiderivative size = 23 \[ \int \frac {-12-4 x-3 x^2+e^{5 x} (2+13 x)}{-4+e^{5 x} x-x^2} \, dx=-4+x+\log (3)+2 \left (x+\log \left (4+x \left (-e^{5 x}+x\right )\right )\right ) \]
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\[ \int \frac {-12-4 x-3 x^2+e^{5 x} (2+13 x)}{-4+e^{5 x} x-x^2} \, dx=\int \frac {-12-4 x-3 x^2+e^{5 x} (2+13 x)}{-4+e^{5 x} x-x^2} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {2+13 x}{x}-\frac {2 \left (4+20 x-x^2+5 x^3\right )}{x \left (4-e^{5 x} x+x^2\right )}\right ) \, dx \\ & = -\left (2 \int \frac {4+20 x-x^2+5 x^3}{x \left (4-e^{5 x} x+x^2\right )} \, dx\right )+\int \frac {2+13 x}{x} \, dx \\ & = -\left (2 \int \left (-\frac {20}{-4+e^{5 x} x-x^2}+\frac {4}{x \left (4-e^{5 x} x+x^2\right )}-\frac {x}{4-e^{5 x} x+x^2}+\frac {5 x^2}{4-e^{5 x} x+x^2}\right ) \, dx\right )+\int \left (13+\frac {2}{x}\right ) \, dx \\ & = 13 x+2 \log (x)+2 \int \frac {x}{4-e^{5 x} x+x^2} \, dx-8 \int \frac {1}{x \left (4-e^{5 x} x+x^2\right )} \, dx-10 \int \frac {x^2}{4-e^{5 x} x+x^2} \, dx+40 \int \frac {1}{-4+e^{5 x} x-x^2} \, dx \\ \end{align*}
Time = 0.68 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.87 \[ \int \frac {-12-4 x-3 x^2+e^{5 x} (2+13 x)}{-4+e^{5 x} x-x^2} \, dx=3 x+2 \log \left (4-e^{5 x} x+x^2\right ) \]
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Time = 0.14 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.87
method | result | size |
norman | \(3 x +2 \ln \left (x^{2}-x \,{\mathrm e}^{5 x}+4\right )\) | \(20\) |
parallelrisch | \(3 x +2 \ln \left (x^{2}-x \,{\mathrm e}^{5 x}+4\right )\) | \(20\) |
risch | \(3 x +2 \ln \left (x \right )+2 \ln \left ({\mathrm e}^{5 x}-\frac {x^{2}+4}{x}\right )\) | \(27\) |
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Time = 0.27 (sec) , antiderivative size = 28, normalized size of antiderivative = 1.22 \[ \int \frac {-12-4 x-3 x^2+e^{5 x} (2+13 x)}{-4+e^{5 x} x-x^2} \, dx=3 \, x + 2 \, \log \left (x\right ) + 2 \, \log \left (-\frac {x^{2} - x e^{\left (5 \, x\right )} + 4}{x}\right ) \]
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Time = 0.11 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.04 \[ \int \frac {-12-4 x-3 x^2+e^{5 x} (2+13 x)}{-4+e^{5 x} x-x^2} \, dx=3 x + 2 \log {\left (x \right )} + 2 \log {\left (e^{5 x} + \frac {- x^{2} - 4}{x} \right )} \]
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Time = 0.26 (sec) , antiderivative size = 28, normalized size of antiderivative = 1.22 \[ \int \frac {-12-4 x-3 x^2+e^{5 x} (2+13 x)}{-4+e^{5 x} x-x^2} \, dx=3 \, x + 2 \, \log \left (x\right ) + 2 \, \log \left (-\frac {x^{2} - x e^{\left (5 \, x\right )} + 4}{x}\right ) \]
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Time = 0.28 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.87 \[ \int \frac {-12-4 x-3 x^2+e^{5 x} (2+13 x)}{-4+e^{5 x} x-x^2} \, dx=3 \, x + 2 \, \log \left (-x^{2} + x e^{\left (5 \, x\right )} - 4\right ) \]
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Time = 13.35 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.83 \[ \int \frac {-12-4 x-3 x^2+e^{5 x} (2+13 x)}{-4+e^{5 x} x-x^2} \, dx=3\,x+2\,\ln \left (x^2-x\,{\mathrm {e}}^{5\,x}+4\right ) \]
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