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xumint87
2 năm trước
Bài 22. Viết phương trình chính tắc elip có một tiêu điểm F2 (5 ; 0) trục nhỏ 2b bằng 4/6, tìm tọa độ các đỉnh , tiêu điểm của elíp. Bài 23: Trong mặt phẳng 0xy Cho các điểm A(0; -1); B(0;1) :C(1; 3 a)Viết phương trình đường tròn đường kính AB và tiếp tuyển của đường tròn tại MG b)Viết phường trình chính tắc của elíp nhận hai điểm A,B làm các đỉnh và elíp di qua C
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