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

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

Distance between foci is 4 and distance between directrices is 5

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

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

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

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