G
girl_nb


Goi d la tiep tuyen cua dths : y=(x^4)/2-3x^2+5/2 tai M co hoanh do diem M=a.
Chung minh rang: hoanh do cac giao diem cua tiep tuyen d voi do thi la cac nghiem cua phuong trinh:
(x-a)^2.(x^2+2ax+3a^2-6)=0
GIUP MINH VOI! MINH HOKLAM DC BAI NE...
Chung minh rang: hoanh do cac giao diem cua tiep tuyen d voi do thi la cac nghiem cua phuong trinh:
(x-a)^2.(x^2+2ax+3a^2-6)=0
GIUP MINH VOI! MINH HOKLAM DC BAI NE...