Find the differential equation of the family of circles
` x^(2) + y^(2) = 2ax ` , where a is a parameter .

Find the differential equation of the family of circles x^(2) + y^(2) = 2ay , where a is a parameter .

Find the differential equation of the family of curves given by x^(2)+y^(2)=2ax .

Find the differential equation of the family of curves Ax^(2)+By^(2)=1.

Find the differential equation of the family of curves given by x^2+y^2=2ax

Find the differential equation of the family of curves given by x^2+y^2=2ax

Find the differential equation of the family of concentric circles x^2+y^2=a^2 .

From the differential equation of the family of circles (x -a)^(2) + (y - a)^(2) - a^(2) , where a is an arbitrary constant .

Find the differential equation of the family of circles (x-a)^(2)+(y-b)^(2)=r^(2) , where 'a' and 'b' are arbitrary constants.

The differential equation for the family of circle x ^(2) + y ^(2) - 2ay =0 where a is an arbitary constant is :