JEE Main · 2022 · 24 Jun 2022 · Shift 1 · Hyperbola

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Let be a tangent to the hyperbola . Then is equal to:
  1. (A)-2
  2. (B)-4
  3. (C)2
  4. (D)4✓ Correct

Answer: (D)

Solution

Substitute into the hyperbola equation :





For tangency, discriminant = 0:



Simplifying:

Dividing by : .

JEE Main · 2022 · 24 Jun 2022 · Shift 1 · Single correct option

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