Let V1 = 2I – J + K and V2 = I + J – K, then the angle between V1 & V2 and a vector perpendicular to both V1 & V2 shall be:
A. 90০ and (–2I + J – 3K)
B. 60০ and (2I + J + 3K)
C. 90০ and (2I + J – 3K)
D. 90০ and (–2I – J + 3K)
Answer:D
Let V1 = 2I – J + K and V2 = I + J – K, then the angle between V1 & V2 and a vector perpendicular to both V1 & V2 shall be:
A. 90০ and (–2I + J – 3K) B. 60০ and (2I + J + 3K) C. 90০ and (2I + J – 3K) D. 90০ and (–2I – J + 3K)