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Toán 12: Trong không gian 𝑂𝑥𝑦𝑧, cho mặt cầu (𝑆) có tâm 𝐼(−2; 1; 2) và đi qua điểm 𝐴(1; − 2; − 1)
12 days ago
24
Trong không gian 𝑂𝑥𝑦𝑧, cho mặt cầu (𝑆) có tâm 𝐼(−2; 1; 2) và đi qua điểm
𝐴(1; − 2; − 1) . Xét các điểm 𝐵, 𝐶, 𝐷 thuộc (𝑆) sao cho 𝐴𝐵, 𝐴𝐶, 𝐴𝐷 đôi một vuông góc với
có giá trị lớn nhất bằngnhau. Thể tích của khối tứ diện 𝐴𝐵𝐶𝐷
.A 72. .B 216. .C 108. .D 36
#OxyzGeometry
#HinhHocKhongGianOxyz
#CachGiai
#ToanLop12
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