1.

Let →a,→b,→c are three unit vectors such that no two of the vectors are collinear. If the vector →a+→b is collinear with →c and the vector →b+→c is collinear with →a, then the value of |→a+→b+→c| is

Answer» Let a,b,c are three unit vectors such that no two of the vectors are collinear. If the vector a+b is collinear with c and the vector b+c is collinear with a, then the value of |a+b+c| is


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