If the circumference of the circle |
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a) |
50 |
b) |
56 |
c) |
|
d) |
|
If the circumference of the circle |
|||||||
a) |
50 |
b) |
56 |
c) |
|
d) |
|
(c)
Equation of radical axis (i.e. common chord) of the two circles is
…(i)
Centre of first circle is
Since second circle bisects the circumference of the first circle, therefore, centre of the first circle must lie on the common chord Eq. (i)