Q.
A. x2 + y2 + 5x + 5y + 25 = 0
B. x2 + y2 - 10x - 10y + 25 = 0
C. x2 + y2 - 5x - 5y + 25 = 0
D. x2 + y2 + 10x + 10y + 25 = 0
E. None of the above
Correct choice: B
Explanation: