Find the sum of the focal distances of any point on the ellipse `9x^2+16 y^2=144.`

Find the sum of the focal distances of any point on the ellipse 9x^(2)+16y^(2)=144

Find the sum of the focal distance of any point on the ellipse 4x^2+9y^2=36 .

The sum of focal distances of any point on the ellipse 9x^(2) + 16y^(2) = 144 is

Find the sum of the focal distance of any point on the ellipse 9x^(2) +25y^(2) = 225 .

The sum of the focal distances of any point on the ellipse 4x^(2) + 25y = 100 is_

Find the eccentricity and the equation of directix of the ellipse x^2/100+y^2/36=1 Show that the sum of the focal distances at any point on the ellipse x^2/100+y^2/36=1 is constant.

The sum of focal distances of a point on the ellipse x^(2)/4+y^(2)/9=1 is:

Find the eccentricity and equations of the directrices of the ellipse (x^(2))/(100) + (y^(2))/ (36) = 1 . Show that the sum of the focal distances of any point on this ellipse is constant .

The sum of the focal distances of any point on the conic 16x^(2) + 25 y ^(2)=400 is-