Answer:
The general equation of a circle is,
(x – h)2 + (y – k)2 = r2 …(i)
(h, k) is the centre and r is the radius.
Putting A(1, 1) in (i)
(1 – h)2 + (1 – k)2 = 12
When, k = 2, h = 3 – 2 = 1
Equation of 1st circle is,
(x – 1)2 + (y – 2)2 = 1
When, k = 1, h = 3 – 1 = 2
Equation of 2nd circle is,
(x – 2)2 + (y – 1)2 = 1