The differential equation of the family of circles with fixed radius 5 units and centre on the line y = 2 is

Question

( A ) $(y-2)^2y^{'2}=25-(y-2)^2$
( B ) $(x-2)^2y^{'2}=25-(y-2)^2$
( C ) $(x-2)y^{'2}=25-(y-2)^2$
( D ) $(y-2)y^{'2}=25-(y-2)^2$