Equation of a circle which passes through (3, 6) and touches the axes is
(A) x2 + y2 + 6x + 6y + 3 = 0
(B) x2 + y2 – 6x – 6y – 9 = 0
(C) x2 + y2 – 6x – 6y + 9 = 0
(D) none of these
Answer is (C)