Q.
If a point $P(x,y)$ moves along the ellipse $\frac{x^{2}}{25} + \frac{y^{2}}{16} = 1$ and if $C$ is the centre of the ellipse, then the sum of maximum and minimum values of $CP$ is
A) 25
B) 9
C) 4
D) 5
Explanation
(b)
Here, $a = 5,\ b = 4$
$\therefore$Required sum$= a + b$
$= \ 9$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.