Why is this 4? Is it not 2 or am i seeing this wrong?
less than 1?
I'm struggling with the, almost, canceling down from factoring to
|x-2||x+2|< \epsilon/2
from this step I get really lost, as far as I'm aware the |x-2| is controlled by delta so i have to work with |x+2|
by this i use the...