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Mathematics
Mathematics
Problem
A circle has centre
(
2
,
−
3
)
(\sqrt{2},-\sqrt{3})
(
2
,
−
3
)
. Its radius is equal to the distance between the centre and the point
(
a
,
1
)
(a,1)
(
a
,
1
)
. Write the expanded equation of this circle in terms of the parameter
a
a
a
.
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