Integrand size = 55, antiderivative size = 20 \[ \int \frac {2 x-48 x^3+e \left (1-48 x^2\right )+e^{10+2 x} \left (1+2 x-48 x^2\right )}{e x+e^{10+2 x} x+x^2} \, dx=\log \left (e^{-24 x^2} x \left (e+e^{2 (5+x)}+x\right )\right ) \]
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\[ \int \frac {2 x-48 x^3+e \left (1-48 x^2\right )+e^{10+2 x} \left (1+2 x-48 x^2\right )}{e x+e^{10+2 x} x+x^2} \, dx=\int \frac {2 x-48 x^3+e \left (1-48 x^2\right )+e^{10+2 x} \left (1+2 x-48 x^2\right )}{e x+e^{10+2 x} x+x^2} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \left (-\frac {-1+2 e+2 x}{e+e^{10+2 x}+x}+\frac {1+2 x-48 x^2}{x}\right ) \, dx \\ & = -\int \frac {-1+2 e+2 x}{e+e^{10+2 x}+x} \, dx+\int \frac {1+2 x-48 x^2}{x} \, dx \\ & = \int \left (2+\frac {1}{x}-48 x\right ) \, dx-\int \left (-\frac {1-2 e}{e+e^{10+2 x}+x}+\frac {2 x}{e+e^{10+2 x}+x}\right ) \, dx \\ & = 2 x-24 x^2+\log (x)-2 \int \frac {x}{e+e^{10+2 x}+x} \, dx-(-1+2 e) \int \frac {1}{e+e^{10+2 x}+x} \, dx \\ \end{align*}
Time = 1.32 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.95 \[ \int \frac {2 x-48 x^3+e \left (1-48 x^2\right )+e^{10+2 x} \left (1+2 x-48 x^2\right )}{e x+e^{10+2 x} x+x^2} \, dx=-24 x^2+\log (x)+\log \left (e+e^{10+2 x}+x\right ) \]
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Time = 2.02 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.00
method | result | size |
norman | \(-24 x^{2}+\ln \left (x \right )+\ln \left ({\mathrm e}^{2 x +10}+x +{\mathrm e}\right )\) | \(20\) |
parallelrisch | \(-24 x^{2}+\ln \left (x \right )+\ln \left ({\mathrm e}^{2 x +10}+x +{\mathrm e}\right )\) | \(20\) |
risch | \(-24 x^{2}+\ln \left (x \right )-10+\ln \left ({\mathrm e}^{2 x +10}+x +{\mathrm e}\right )\) | \(21\) |
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Time = 0.25 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.95 \[ \int \frac {2 x-48 x^3+e \left (1-48 x^2\right )+e^{10+2 x} \left (1+2 x-48 x^2\right )}{e x+e^{10+2 x} x+x^2} \, dx=-24 \, x^{2} + \log \left (x + e + e^{\left (2 \, x + 10\right )}\right ) + \log \left (x\right ) \]
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Time = 0.07 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.00 \[ \int \frac {2 x-48 x^3+e \left (1-48 x^2\right )+e^{10+2 x} \left (1+2 x-48 x^2\right )}{e x+e^{10+2 x} x+x^2} \, dx=- 24 x^{2} + \log {\left (x \right )} + \log {\left (x + e^{2 x + 10} + e \right )} \]
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Time = 0.22 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.10 \[ \int \frac {2 x-48 x^3+e \left (1-48 x^2\right )+e^{10+2 x} \left (1+2 x-48 x^2\right )}{e x+e^{10+2 x} x+x^2} \, dx=-24 \, x^{2} + \log \left ({\left (x + e + e^{\left (2 \, x + 10\right )}\right )} e^{\left (-10\right )}\right ) + \log \left (x\right ) \]
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Time = 0.26 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.25 \[ \int \frac {2 x-48 x^3+e \left (1-48 x^2\right )+e^{10+2 x} \left (1+2 x-48 x^2\right )}{e x+e^{10+2 x} x+x^2} \, dx=-24 \, x^{2} + \log \left (x\right ) + \log \left (-x - e - e^{\left (2 \, x + 10\right )}\right ) \]
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Time = 9.23 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.95 \[ \int \frac {2 x-48 x^3+e \left (1-48 x^2\right )+e^{10+2 x} \left (1+2 x-48 x^2\right )}{e x+e^{10+2 x} x+x^2} \, dx=\ln \left (x+\mathrm {e}+{\mathrm {e}}^{2\,x+10}\right )+\ln \left (x\right )-24\,x^2 \]
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