Find the equation of ellipse in standard form if,: Distance between directrices is 18 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 ellipse in standard form if,: The distance between foci is 6 and the distance between directrices is 50/3

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,: Eccentricity is 3/8 and distance between its foci is 6

Find the equation of ellipse in standard form if,: Passing through the points (-3,1) and (2,-2)

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,: Eccentricity is 2/3 and passes through the point (2,-5/3)

The equation of the hyperbola in standard form, if the foci are (+-10,0) and eccentricity 5/2 is

Find the equation of ellipse in standard form if,: Length of latus rectum is 6 and coordinates of foci are (+-2,0)

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