Which of the following statements is/are true?
(A) The vector sum of the three sides of a triangle in order is 0
(B) The magnitude (r), direction ratios (a,b,c) and direction cosines (l,m,n) of any vector r=ai^+bj^+ck^ are related as l=ra,m=rb,n=rc
(C) If θ is the angle between two vectors a and b, then their cross product is given as a×b=∣a∣∣b∣sinθ
(D) The cross product of two vectors is commutative
Choose the correct answer from the options given below:
Held on 22 May 2025 · Verified 13 Jul 2026.
(A), (B) and (C) only
(B), (C) and (D) only
(A) and (B) only
(C) and (D) only
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