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Câu 8:

Mặt cầu tâm $I\left( {2;4;6} \right)$

Câu 8: Mặt cầu tâm I(2;4;6)I\left( {2;4;6} \right)I(2;4;6) tiếp xúc với trục Oz có phương trình:

Thông tin câu hỏi

Câu 8:

Mặt cầu tâm $I\left( {2;4;6} \right)$ tiếp xúc với trục Oz có phương trình: