[" If "a,b,c" are three unit vectors such that "],[3a+4b+5c=0" ,then "]

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 three unit vectors such that a+b+c=0 . Where 0 is null vector, then a.b+a.c+c.a is

If a,b,c are three unit vectors such that a xx (b xx c) = (1)/(2) b then the angles between a,b and a,c are

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

Let a,b and c be three unit vectors such that 3a+4b+5c=0 . Then which of the following statements is true?

Let a,b and c be three unit vectors such that 3a+4b+5c=0 . Then which of the following statements is true?

Let a,b and c be three unit vectors such that 3a+4b+5c=0 . Then which of the following statements is true?

Let a,b and c be three unit vectors such that 3a+4b+5c=0 . Then which of the following statements is true?