CircleEasy
Question
The circum-circle of the quadrilateral formed by the lines x = a, x = 2a, y = − a, y = a is
Options
A.x2 + y2 − 3ax − a2 = 0
B.x2 + y2 + 3ax + a2 = 0
C.x2 + y2 − 3ax + a2 = 0
D.x2 + y2 + 3ax − a2 = 0
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