If P is a point on the ellipse `(X^(2))/(9) + (y^(2))/(4) =1 ` whose foci are S and S\' then the
Channel: Doubtnut
Date: 29/03/2020

If P is a point on the ellipse `(X^(2))/(9) + (y^(2))/(4) =1 ` whose foci are S and S\' then the value of PS + PS\' is