Let f(x) = and g(x)=

Show that f'(x) = g'(x) for all x domains. Can we conclude from the corollary below that f-g is constant?

[If f'(x) = g'(x) for all x in an interval (a, b) then f - g is constant on (a, b); that is, f(x) = g(x) + c where c is a constant.

fins f'(x) and g'(x)