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Toán 12: Trong không gian Oxyz,cho hai điểm M(2;0;1),N(0;1;-2) và đường thẳng
27 days ago
51
Trong không gian Oxyz,cho hai điểm M(2;0;1),N(0;1;-2) và đường thẳng
d:{ (x=3+2t@y=1+t@z=2-2t) .Gọi H,K lần lượt là hình chiếu vuông góc của M,N lên đường thẳng d.Độ dài đoạn thẳng HK bằng
#ToanLop12
#HinhHocKhongGian
#HinhHocKhongGianOxyz
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