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Most Important Selected Qs for JEE AdvancedMathematicsParabola

Let A B : y=x be a chord to the parabola y^2+4 x=4 and P be any variable point on the ellipse x^2+9(y-4)^2-9=0 . If ₁ and ₂ be the minimum and maximum area of triangle ABP respectively then

Options

  1. A₂=2 2 (4+ 10 )
  2. B₂- ₁=8 5
  3. C₂ ₁ = 13+4 10 3
  4. Dnone of these

Correct answer

C. ₂ ₁ = 13+4 10 3

Step-by-step solution

₁=2 2 (4- 10 ) and ₂=2 2 (4+ 10 ) x^2 9 +(y-4)^2=1

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