suppose e>0 b>0
so if
|x-a|<b >>> |x-a|<|x|<b
|f(x)-f(a)|<e >>> |f(x)-f(a)|<|f(x)|<e
from that step they do write same things all over again and conclude that.
lim (f(x))=f(a)
x->infinity
how to get from the step i showed to this conclution?
suppose e>0 b>0
so if
|x-a|<b >>> |x-a|<|x|<b
|f(x)-f(a)|<e >>> |f(x)-f(a)|<|f(x)|<e
from that step they do write same things all over again and conclude that.
lim (f(x))=f(a)
x->infinity
how to get from the step i showed to this conclution?