A. (x – 2)2 +(y -3)2 = (1/2)(x – y + 9)2
B. (x – 2)2 +(y -3)2 = (1/2)(x – y + 9)2
C. (x – 2)2 +(y -3)2 = (1/2)(x + y - 9)2
D. None
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