Q. In the standard form of an ellipse sum of the focal distances of a point is
A) 1
B) $- 2a$
C) $2a$
D) None of these
Explanation
(c)
In the standard form of an ellipse sum of the focal distances of a point is $2a$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.