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
Toán 12: Cho ba điểm A(3;-1;2),B(2;3;-3),C(-2;1;-2) và mặt phẳng (Oyz). Gọi M(a;b;c) là điểm
7 hours ago
24
Cho ba điểm A(3;-1;2),B(2;3;-3),C(-2;1;-2) và mặt phẳng (Oyz).
Gọi M(a;b;c) là điểm thuộc mặt phẳng (Oyz) sao cho
(MA) ⃗.(MB) ⃗+(MB) ⃗.(MC) ⃗+(MC) ⃗.(MA) ⃗ có giá trị nhỏ nhất
#ToanLop12
#HinhHocKhongGianOxyz
#OxyzGeometry
#CachGiai
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