If `|vecA+vecB|=|vecA-vecB|,` which of the following options is true?

If vecA+vecB=vecA-vecB then which of the following is correct ? (i) vecA=0 , (ii) vecB=0 , (iii) vecA and vecB are simultaneously zero, (iv) vecA+vecB=0

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

If veca and vecb are two vecctors such that abs(veca+vecb)=abs(veca-vecb)=4 , then which one of the following is correct?

If veca and vecb are unit vectors, then which of the following values of veca.vecb is not possible ?

If veca and vecb are unit vectors, then which of the following values of veca.vecb is not possible ?

If |veca+vecb|=|veca-vecb| show that veca_|_vecb .

If |veca+vecb|=|veca-vecb| show that veca_|_vecb .