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Black Book Advanced Problems in MathematicsMathematicsApplication of Derivatives

If the curves x^2 a^2 + y^2 4 = 1 and y^2 = 16x intersect at right angles, then :

Options

  1. Aa = 1
  2. Ba = 3
  3. Ca = 1 3
  4. Da = 2

Correct answer

D. a = 2

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