2.131   ODE No. 131

1. Problem in Latex
2. Mathematica input
3. Maple input

$$(2x+1)y^{\prime }(x)-4e^{-y(x)}+2=0$$ ✓ Mathematica : cpu = 0.173899 (sec), leaf count = 21

$$\left\{\{y(x)\to \log (2-\frac{e^{c_1}}{2x+1})\}\right\}$$ ✓ Maple : cpu = 0.158 (sec), leaf count = 31

$$\{y\left(x\right)=-\ln \left(\frac{2x+1}{-1+(4x+2){\mathrm{e}}^{2\mathit{\_}\mathit{C}\mathit{1}}}\right)-2\mathit{\_}\mathit{C}\mathit{1}\}$$