Which of the following statements are true? (A) If = x i + y j + z k, then x, y, z are called direction ratios of . (B) For any two vectors a and b,…
CUET UG 2025 — Mathematics Algebra
Which of the following statements are true?
(A) If r=xi^+yj^+zk^, then x,y,z are called direction ratios of r.
(B) For any two vectors a and b, a+b=b+a
(C) a⊥b if and only if a×b=0
(D) Projection of b on a is ∣a∣2a⋅b
Choose the correct answer from the options given below:
Held on 2 Jun 2025 · Verified 13 Jul 2026.
Options
- A
(B) and (C) only
- B
(B), (C) and (D) only
- C
(C) and (D) only
- D
(A) and (B) only
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