THEME :Cho pt x^2 - mx + 2m - 3 = 0
a, Tim m de pt co 2 nghiem trai dau
b, Tim he thuc giua 2 nghiem cua pt khong phu thuoc vao m
chào bạn!Cho pt x^2 - mx + 2m - 3 = 0
a, Tim m de pt co 2 nghiem trai dau
b, Tim he thuc giua 2 nghiem cua pt khong phu thuoc vao m