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
Toán 12: Trong không gian với hệ tọa độ Oxyz,cho đường thẳng d:(x-1)/1=(y-2)/1=(z-1)/2=t ,A(2;1;4)
10 hours ago
17
Trong không gian với hệ tọa độ Oxyz,cho đường thẳng
d:(x-1)/1=(y-2)/1=(z-1)/2=t,A(2;1;4)
Gọi H(a;b;c) là điểm thuộc d sao cho AH có độ dài nhỏ nhất
Giá trị biểu thức T=a^3+b^3+c^3 là bao nhiêu?
#ToanLop12
#hinhhockhonggianoxyz
#hinhhockhonggian
#Geometry
#OxyzGeometry
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