Find the equation of ellipse in standard form if,: The distance between foci is 6 and the distance between directrices is `50/3`

Find the equation of an ellipse the distance between the foci is 8 units and the distance between the directrices is 18 units.

Find the equation of the ellipse in standard form if the length of major axis 10 and the distance between foci is 8.

Find the equation of ellipse in standard form if,: Eccentricity is 3/8 and distance between its foci is 6

Find the equation of ellipse in standard form if,: Distance between directrices is 18 and eccentricity is 1/3 .

Find the equation of the ellipse in standard form if :the length of major axis 10 and the distance between foci is 8.

Find the equation of the ellipse in standard form if : eccentricity is 3/8 and distance between its foci is 6.

Find the equation of ellipse in standard form if,: Minor axis is 16 and eccentricity is 1/3

Find the equation of ellipse in standard form if,: Distance between directrices is 10 and passes through the point (-sqrt5,2)

Find the equation of the ellipse in the form x^2/a^2+y^2/b^2=1(a>b) , given : distance between the foci is 4 and distance between directrices is 20.

Find the equation of the ellipse in the form x^2/a^2+y^2/b^2=1(a>b) , given : distance between the foci is 4 and distance between the directrices is 24.