The differential equation of all ellipse centered at the origin axis being coordinate axes is:

The differential equation of all ellipses centred at the origin is

The differential equation of all ellipses centred at the origin is

The differential equation of all ellipses with centres at the origin and the ends of one axis of symmetry at (pm1,0) , is

The differential equation of all ellipses with centres at the origin and the ends of one axis of symmetry at (pm1,0) , is

Find the differential equation of all ellipse whose centres are at the origin and principal axes along coordinate axes.

Find the differential equation of all the ellipses whose center is at origin and axis are co-ordinate axis.

Find the differential equation of all the ellipses whose center is at origin and axis are co- ordinate axis.

The differential equation of the family of ellipses having centres at the origin and whose axes are the coordinate axes is

What is the order of the differential equation of all ellipses whose axes are along the coordinate axes?

Find the differential equation of all ellipses whose centre is origin and foci is on the x-axis.