How do you use the epsilon delta definition to prove that the limit of (1+x)/(4+x)=1/21+x4+x=12 as x->2x→2?
1 Answer
Feb 23, 2017
See below.
Explanation:
Given a positive
For any
So for any
= abs((x-2)/(2(x+4))
< (abs(x-2))/14
< delta/14
< (14epsilon)/14
= epsilon
We have shown that for any
for any