CircleHard
Question
If circles x2 + y2 = r2 and x2 + y2 − 20x + 36 = 0 intersect at real and different points, then-
Options
A.r < 2 and r > 18
B.2 < r < 18
C.r = 2 and r = 18
D.None of these
More Circle Questions
The distance from the centre of the circle x2 + y2 = 2x to the straight line passing through the points of intersection ...If the centre, vertex and focus of a hyperbola be (0, 0), (4, 0) and (6, 0) respectively, then the equation of the hyper...The number of tangents that can be drawn from the point (8, 6) to the circle x2 + y2 _ 100 = 0 is...If the tangent to the conic, y − 6 = x2 at (2, 10) touches the circle, x2 + y2 + 8x − 2y = k (for some fixed...The equation of the circle which touches both the axes and the line + = 1 and lies in the first quadrant is (x _ c)2 + (...