Mathematics · Coordinate Geometry
If two circles (x - 1)2 + (y - 3)2 = r2 and x2 + y2 - 8x + 2y + 8 = 0 intersect in two distinct points, then:
- 12 < r < 8✓
- 2r > 2
- 3r = 2
- 4r < 2
Correct answer
2 < r < 8
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