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) |
(c)
A cyclic parallelogram will be a rectangle or square
So,
lies on director circle of the ellipse
is director circle of