# How do you find the critical points for #f(x) = x - 3ln(x)# and the local max and min?

##### 1 Answer

Oct 20, 2016

#### Explanation:

Differentiating wrt

Differentiating again wrt

At critical points,

Hence, there is one critical point

graph{x-3lnx [-10, 10, -5, 5]}