For equation of the curve whose subnormal is constant, then (a) its eccentricity is 1 (b) its eccentricity is `sqrt(2)` (c) its axis is the x-axis (d)its axis is the y-axis.

The length of the latus rectum of an ellipse in 1/3 of its major axis. Its eccentricity is :

Find the equation of an ellipse whose axes are the x-and y-axis and whose one focus is at (4,0) and eccentricity is 4/5.

The foci of an ellipse are (+- 2,0) and its eccentricity is 1/2 then the equation is

The length of the major axis of an ellipse is three times the length of minor axis, its eccentricity is . . . .

If a point on Y-axis, then what is its x co-ordinate?

Consider an ellispe whose centre is of the origin and its major axis is along x-axis. If its eccentiricity is 3/5 and the distance between its foci is 6, then the area of the quadrilateral insricbed in the ellipse with diagonals as major and minor axis of the ellipse is

Write equation of line parallel to Y-axis and on its right side at distance of 6 units.

If a hyperbola has length of its conjugate axis equal to 5 and the distance between its foci is 13, then the eccentricity of the hyperbola is