Polu nomaxl : đau Tu
You) = 4a^ < đạ ĐẾY 2e +4 + 4,
LAO” -X * flor) = Aun
| 4(o) + tot) hence Lim F(x) dont
ae Zxist! £ (ot )= Lum SL L-%Ht %
Lim COS— doesnt’ eat
- Stool <1
° x7O PHL CHE CH ‘2 <0 = % £054 +
{
-lxl 42 < Ix|
Trang 21Í thore Moy exist an 0A ble cm F(x) = ©
(ass) s/ Let a= lm oe) Aun ee
onan be Laval (+)~ax)= hm [3ˆ Bai | nr m | =
tence =ax£b= 1~1 ig an OFF