Form the differential equation of all circles touching the x-axis at the origin and center on y-axis.

Form the differential equation of all circle touching the x-axis at the origin and centre on the y-axis.

Form the differential equation of the family of circles touching the x-axis at origin.

The differential equation of all circles with centre at the origin is ………

Form the differential equation of all concentric circles at the origin.

The order of differential equation of all circles with radius 'a' is.

Form the differential equation of family of lines concurrent at the origin.

Form the differential equation of the family of parabolas with focus at the origin and the axis of symmetry along the axis.

Find the differential equation of the family of circles with their centre at the origin.

From the differential equation of the family of parabolas having vertex at the origin and axis along positive direction of x -axis.