Let and . If is a vector such that and , then is equal to :
- (A)44✓ Correct
- (B)54
- (C)86
- (D)132
Answer: (A)
Solution
From we get , so and . Imposing gives . Here and , so and . Then . Hence .
JEE Main · 2026 · 05 Apr 2026 · Shift 1 · Single correct option