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hero003005
2 năm trước
Tìm m để đồ thị hàm số y=-x+m cắt đồ thị HS \(y = \frac{{2x + 1}}{{x - 1}}\) tại 2 điểm phân biệt \(\begin{array}{l} A:m \in ( - \infty ;1) \cup (1; + \infty )\\ B:m \in ( - 2;2)\\ C:m \in (3 - 2\sqrt 3 ;3 + 2\sqrt 3 )\\ D:m \in ( - \infty ;3 - 2\sqrt 3 ) \cup (3 + 2\sqrt 3 ; + \infty ) \end{array}\)
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