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

Let veca,vecb,vecc be three unit vectors such that 3veca+4vecb+5vecc=vec0 . Then which of the following statements is true? (A) veca is parrallel to vecb (B) veca is perpendicular to vecb (C) veca is neither parralel nor perpendicular to vecb (D) veca,vecb,vecc are copalanar

Let veca,vecb,vecc be three unit vectors such that 3veca+4vecb+5vecc=vec0 . Then which of the following statements is true? (A) veca is parrallel to vecb (B) veca is perpendicular to vecb (C) veca is neither parralel nor perpendicular to vecb (D) veca,vecb,vecc are copalanar

Let veca,vecb,vecc be three unit vectors such that 3veca+4vecb+5vecc=vec0 . Then which of the following statements is true? (A) veca is parrallel to vecb (B) veca is perpendicular to vecb (C) veca is neither parralel nor perpendicular to vecb (D) veca,vecb,vecc are copalanar

Let vec a,vec b and vec c be three units vectors such that 2vec a+4vec b+5vec c=0. Then which of the following statement is true? a.vec a is parallel to vec b b.vec a is perpendicular to vec b c.vec a is neither parallel nor perpendicular to vec b d.none of these

Let A,B and C be sets such that phi ne A nn B sube C . Then which of the following statements is not true?

Let A,B and C be sets such that A nn B sube C and A nn B!=phi. Then which of the following statements is not true?

Let vec a,vec b,vec c be unit vectors such that vec a+vec b+vec c=vec 0 .Which of the following is correct?

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