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 ellipse whose distance between foci is 8 units and distance between the directrices is 18 units.

The equation of the ellipse whose distance between the foci is equal to 8 and distance between the directrices is 18, is

Taking major and minor axes as x and y - axes respectively , find the equation of the ellipse whose coordinates of between the foci is 2 and the distance between the directrices is 4 .

In an ellipse the distance between the foci is 8 and the distance between the directrices is 25. The length of major axis, is

In an ellipse the distance between the foci is 8 and the distance between the directrices is 25. The length of major axis, is

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

The equation to hyperola whose centre is (0,0) distance between the foci is 18 and distance between the directrices is 8 is

The equation of the hyperbola with centre (0,0), distance between the foci is 18 and the distance between the directrices is 8 is

The equation to hyperbola whose centre is (0,0) distance between the foci is 18 and distance between the directrices is 8 is