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

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

If the order of the differential equation of the family of circle touching the x - axis at the origin is k, then 2k is equal to

The order of the differential equation of the family of circles touching the y - axis at the origin is k, then the maximum value of y=k cos x AA x in R is

The differential equation of the system of circles touching the y-axis at the origin is

The differential equation of the system of circles touching the y axis at origin is

Form the differential equation of family of standard circle

The differential equations of all circles touching the x-axis at origin is

Differential equation of the family of circles touching the line y=2 at (0,2) is

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