# What is the derivative of y= ln(1 + e^(2x))?

d(ln(1+e^(2x)))/dx=((1+e^(2x))')/(1+e^(2x))=2*e^(2x)/(1+e^(2x)
$\frac{\mathrm{dy}}{\mathrm{dx}} = \frac{2 \cdot {e}^{2 x}}{1 + {e}^{2 x}}$