There exist two points P and Q on the hyperbola such that
where O is the origin, then the number of points in the xy-plane from where pair of perpendicular tangents can be drawn to the hyperbola is
0
1
2
Infinite
Let and
be two points on the hyperbola
The points in xy-plane from where perpendicular tangents are drawn to the hyperbola lie on the director circle
For
, the director circle does not exist. So, there is no point in xy-plane.
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