How do you evaluate the limit #sqrt(x-2)# as x approaches #5#?
1 Answer
Nov 9, 2016
As
#x-2# gets closer and closer to#5-2=3# , and
#sqrt(x-2)# gets closer and closer to#sqrt(5-2) = sqrt3# .
Yes, this is the same answer as what we get if we substitute
Be careful though! Not all limits can be found by substitution.
