Question

Question #4c1cf

Answer 1

`color(blue)(f'(x)=(4e^(4x))/(3+e^(4x)))`

Explanation:

`f(x)=ln(3+e^(4x))`

`d/dxf(x)=f'(x)=(d/dx(3+e^(4x)))/(3+e^(4x))`

`color(blue)(f'(x)=(4e^(4x))/(3+e^(4x)))`