# How do you find the critical numbers for #f(x) = x-2ln(x)# to determine the maximum and minimum?

##### 1 Answer

Aug 13, 2017

The first derivative is given by

#f'(x) = 1 - 2/x#

Which has critical points at

#0 = 1- 2/x -> 2/x = 1 -> x = 2#

However,

Hopefully this helps!