CircleEasy
Question
If the two circles (x - 1)2 + (y - 3)2 = r2 and x2 + y2 - 8x + 2y + 8 = 0 intersect in two distinct points, then
Options
A.2 < r < 8
B.r < 2
C.r = 2
D.r > 2
(1 + y2) = (esin-1y)
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