How do you evaluate the limit (2-x)/(x^2-4)2−xx2−4 as x approaches 22?
1 Answer
Jan 10, 2017
Factor and reduce.
Explanation:
We'll need to know
Factor and simplify:
= (-(x-2))/((x-2)(x+2))=−(x−2)(x−2)(x+2)
= (-1)/(x+2)=−1x+2 .
So the limit is