If the range of the function , , is , then is equal to :
- (A)190
- (B)192
- (C)188
- (D)194✓ Correct
Answer: (D)
Solution
Writing and clearing denominators gives . For a real the discriminant must be non-negative: , which simplifies to , i.e. . Therefore or (the value arises from and lies in this set). Comparing with gives and , so .
JEE Main · 2025 · 07 Apr 2025 · Shift 2 · Single correct option