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MHT CET2009MathematicsParabola

The focal distance of a point P on the parabola y²=12 x if the ordinate of P is 6, is

Options

  1. A12
  2. B6
  3. C3
  4. D9

Correct answer

B. 6

Step-by-step solution

Given parabola is y²=12 x Here a=3 For point P(x, y), y=6 This point lie on the parabola (6)²=12 x x=3 Now, focal distance of point P is x+a=6

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