The distance from the centre of the circle |
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a) |
2 |
b) |
4 |
c) |
|
d) |
|
The distance from the centre of the circle |
|||||||
a) |
2 |
b) |
4 |
c) |
|
d) |
|
(a)
Centre of the circle is (1, 0)
Common chord of the other two circles is
Distance from (1, 0) to