Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Number of points from where perpendicular tangents to the curve 
can be drawn, is/are
Text Solution
Verified by ExpertsThe correct answer is:
C
0
Director circle is the set of points from where drawn tangents are perpendicular, in this case x 2 + y 2 = a 2 - b 2 (equation of director circle) i.e., x 2 + y 2 = -9 is not a real circle, so there is no point from where perpendicular tangents can be drawn.
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