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AP EAMCET202022 Sep 2020Morning ShiftMathematicsEllipseActual

The number of values of ' c ' for which the line y=4 x+c touches the ellipse x^2 4 + y^2 1 =1 is

Options

  1. A0
  2. B1
  3. C2
  4. DInfinite

Correct answer

C. 2

Step-by-step solution

The possible value of ' c ' for which the line y=4 x+c touches the ellipse x^2 4 + y^2 1 =1 is c= 4 4+1 = 3

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