CÂU 1 CHO HAỨM SOỎ 1X (1) ,COỰ ỦOÀ THŨ LAỨ (C)

2. - CHUYEN DE THI HD KHAO SAT HSO CAU HOI PHU CO CHON LOC
CHUYEN DE THI HD KHAO SAT HSO CAU HOI PHU CO CHON LOC

2. Vieỏt phửụng trỡnh tieỏp tuyeỏn cuỷa (C),bieỏt tieỏp tuyeỏn ủi qua ủieồm P(3;1).