The degree of the differential equation of all curves having normal of constant length 'c' is

The degree of the differential equation of all curves having normal of constant length |'c|' is

The order, degree of the differential equation of all circles of radius r, having centre on y-axis passing through the origin is (where r is arbitrary constant)

The degree of the differential equation of the curve (x-a)^(2) + y^(2) =16 will be

The degree of the differential equation of the curve (x-a)^(2) + y^(2) =16 will be

Degree of differential equation of family of curve y=Ax+A^(3) is

The order and degree of the differential equation of all the parabolas which have a fixed length of latus and their axes are parallel to the x - axis, are respectively

The order and degree of the differential equation of all the parabolas which have a fixed length of latus and their axes are parallel to the x - axis, are respectively

The order and degree of the differential equation of the family of ellipse having the same foci, are respectively

The order and degree of the differential equation of the family of ellipse having the same foci,are respectively