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Mathematics
Problem
A circle is given by
x
2
+
(
y
−
1
)
2
=
1
x^2 + (y-1)^2 = 1
x
2
+
(
y
−
1
)
2
=
1
, another circle C touches it externally and also the
x
x
x
-axis, then the locus of its centre is [JEE 2005 (Scr)]
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