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Trong không gian tọa độ Oxyz, cho hai điểm A(1; 0; 0); B(5; 6; 0). Điểm M(a; b; c) thuộc mặt cầu (S)
7 months ago
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Trong không gian tọa độ Oxyz, cho hai điểm A(1; 0; 0); B(5; 6; 0). Điểm M(a; b; c) thuộc mặt cầu (S): x² + y² + z² = 1 thỏa mãn 3MA² + MB² = 48. Tính giá trị biểu thức T = a² + b² + 3c²
#ToanLop12
#HinhHocKhongGianOxyz
#OxyzGeometry
#CachGiai
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