If P is a point on the ellipse `(x^(2))/16+(y^(2))/25=1` whose foci are S and S', then PS+PS'=8.

If P is a point on the ellipse (x^(2))/(16)+y'(20)=1, whose foci are S and S' Then PS+PS' is equal to

If P is a point on the ellipse 9x^(2)+36y^(2)=324 whose foci are S and S^(') . Then PS+PS^(')=

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

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

If P is a point on the ellipse x^(2)/a^(2)+y^(2)/b^(2)=1 whose foci are S, S^(') " then "PS+PS^(')=

If P is any point on the ellipse (x^(2))/(25) + (y^(2))/(9) = 1 whose foci are S and S' perimeter of Delta SPS' is

The P is any point on the ellipse 4 x^(2)+16 y^(2)=64 whose foci are S and S^(prime) , then S P+S^(prime) P=

If P is any point on the ellipse 9x^(2) + 36y^(2) = 324 whose foci are S and S'. Then, SP + S' P equals