If tangents and are drawn from a point on the circle to the ellipse so that the fourth vertex of parallelogram lies on the circumcircle of triangle , then eccentricity of the ellipse is |
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a) |
b) |
c) |
d) |

If tangents and are drawn from a point on the circle to the ellipse so that the fourth vertex of parallelogram lies on the circumcircle of triangle , then eccentricity of the ellipse is |
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a) |
b) |
c) |
d) |

1 Answer

127 votes

**(c)**

A cyclic parallelogram will be a rectangle or square

So,

lies on director circle of the ellipse

is director circle of

127 votes

127