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Toán 12: Trong không gian với hệ tọa độ Oxyz,cho ba điểm A(1;-2;2),B(3;1;-1),C(2;2;0) Điểm M có tọa
7 months ago
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Trong không gian với hệ tọa độ Oxyz,cho ba điểm A(1;-2;2),B(3;1;-1),C(2;2;0)
Điểm M có tọa độ M(a;b;c) thuộc mặt phẳng (Oyz) sao cho |3(MA) ⃗+2(MB) ⃗-(MC) ⃗ |
đạt giá trị nhỏ nhất.Giá trị của biểu thức P=3a-2b+c bằng
#ToanLop12
#HinhHocKhongGianOxyz
#OxyzGeometry
#CachGiai
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