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Câu 30:

Trong mặt phẳng Oxy cho $A(-2 m ;-m), B(2 m ; m).$

Câu 30: Trong mặt phẳng Oxy cho A(−2m;−m),B(2m;m).A(-2 m ;-m), B(2 m ; m).A(−2m;−m),B(2m;m). Với giá trị nào của m thì đường thẳng AB đi qua O ?

Thông tin câu hỏi

Câu 30:

Trong mặt phẳng Oxy cho $A(-2 m ;-m), B(2 m ; m).$ Với giá trị nào của m thì đường thẳng AB đi qua O ?