1.

If vectors →a,→band →c are unit vectors such that →a+→b+→c=0 then the value of (→a.→b+→b.→c+→c.→a) is

Answer»

If vectors →a,→band →c are unit vectors such that →a+→b+→c=0 then the value of (→a.→b+→b.→c+→c.→a) is



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