Let . Then is equal to:
- (A)✓ Correct
- (B)
- (C)
- (D)
Answer: (A)
Solution
Given . Replace to get . Multiply the first equation by 5 and the second by 4, then subtract to eliminate : , giving , so . Then .
JEE Main · 2023 · 06 Apr 2023 · Shift 1 · Single correct option