CircleHard
Question
If the lines a1 x + b1 y + c1 = 0 and a2 x + b2 y + c2 = 0 cut the coordinate axes in concyclic points, then -
Options
A.a1 a2 = b1 b2
B.a1b1 = a2b2
C.a1 b2 = a2 b1
D.None of these
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