How do you evaluate the limit of lim ((x+2)^2-4)/x as x->0?
1 Answer
Nov 18, 2016
Explanation:
The function evaluated at x = 0 is
0/0 that is indeterminate.Expand the numerator.
(x^2+4x+4-4)/x=(x^2+4x)/x=x+4
lim_(xto0)((x+2)^2-4)/x=lim_(xto0)(x+4)=4