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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Cho hàm số 2
y x x = − + 2 2
có đồ thị là Parabol (P) và đường thẳng
d y x m : =...