" Find the equation of the family of circle which touch the pair of straight lines "x^(2)-y^(2)+2y-1=0

The equation of one of the circles which touch the pair of lines x^(2)-y^(2)+2y-1=0 is

The equation of one of the circles which touch the pair of lines x^2 - y^2 + 2y - 1 = 0 is

Find the equation of the family of circles touching the lines x^(2)-y^(2)+2y-1=0

Find the equation of the family of circles touching the lines x^2-y^2+2y-1=0.

Find the equation of the family of circles touching the lines x^2-y^2+2y-1=0.

Find the equation of the circle which touch the line 2x-y=1 at (1,1) and line 2x+y=4

Find the equation of the circle which touch the line 2x-y=1 at (1,1) and line 2x+y=4

Find the equation of the circle which touch the line 2x-y=1 at (1,1) and line 2x+y=4

Find the equation of the circle which bisects the circumference of the circle x^(2) + y^(2) + 2y - 3 = 0 and touches the straight line y = x at the origin.

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