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tranduyquang2205
2 năm trước
Cho parabol(P):y= $x^{2}$ và đường thẳng(d):y=x+2 a)Vẽ đồ thị 2 hàm số trên,trên cùng 1 hệ trục toạ độ b) Xác định toan độ giao điểm A,A của 2 đồ thị trên c) Cho điểm M thuộc Parabol(P) có hoành đôn là m nhỏ thoả mãn -1 ≤m ≤2. Chứng minh Diện tích MAB ≤ $\frac{27}{8}$
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