a, b, c are three vectors, such that `a+b+c=0 |a|=1, |b|=2, |c|=3,` then `a*b+b*c+c*a` is equal to

If a,b,c are three vectors such that a + b + c = 0, |a| = 1, |b| = 2, |c| = 3 then a.b+ b.c + c.a =

If a,b and c are three vectors such that |a|=1, |b|=2, |c|=3 and a.b=b.c=c.a=0, then |[a b c]| is equal to

If a, b, c are three unit vectors such that a + b + c = 0 , then a.b + b.c + c.a is equal to

If a,b,c are vectors such that a*b=0 and a+b=c

a, b, c are three vectors such that |a| = 1, |b| = 2, |c| = 3 and b, c are perpendicular. If projection of b on a is the same as the projection of c on a, then |a-b + c| =

a,b,c are three vectors such that |a|=1,|b|=2,|c |=3 and b.c =0 if the projection of b along a is equal to projecton of c along a then |2a+3b-3c|=