Cho hàm số
2
y x x = − + 2 2
có đồ thị là Parabol (P) và đường thẳng
d y x m : =...
Mathematics, 31.07.2021 17:50 Kurlyash
Cho hàm số
2
y x x = − + 2 2
có đồ thị là Parabol (P) và đường thẳng
d y x m : = +
. Gọi
m0
là giá trị của
m
để (d) cắt (P) tại 2 điểm phân biệt
AB,
sao cho
2 2 OA OB + =10
. Chọn mệnh đề
đúng:
A.
m0 − − 6; 2. B.
m0 − 1;1. C.
m0 + (1; ). D.
m0 + (3; ).
Answers: 1
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