1.

x2 + y2 − 4x + 6y − 12 = 0 and x2 + y2 + 6x + 18y + 26 = 0 __________.

Answer»

x2 + y2 4x + 6y 12 = 0 and x2 + y2 + 6x + 18y + 26 = 0 __________.





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