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The angle between the lines joining the foci of an ellipse to one particular extremity of the minor axis is 90^ . The eccentricity of the ellipse is

Options

  1. A1 8
  2. B1 3
  3. C2 3
  4. D1 2

Correct answer

D. 1 2

Step-by-step solution

gathered b a e = 4 array c a e b a =e e^2=1- b^2 a^2 e^2=1-e^2 array gathered e^2= 1 2 e= 1 2

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