JEE Main · 2025 · 07 Apr 2025 · Shift 2 · Quadratic Equations and Inequalities

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If the range of the function , , is , then is equal to :
  1. (A)190
  2. (B)192
  3. (C)188
  4. (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

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