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Mathematics
Mathematics
Problem
If a circle passes through the point
(
3
,
7
2
)
\left(3, \sqrt{\frac{7}{2}}\right)
(
3
,
2
7
)
and touches
x
+
y
=
1
x + y = 1
x
+
y
=
1
and
x
−
y
=
1
x - y = 1
x
−
y
=
1
, then the centre of the circle is a.
(
4
,
0
)
(4, 0)
(
4
,
0
)
b.
(
4
,
2
)
(4, 2)
(
4
,
2
)
c.
(
6
,
0
)
(6, 0)
(
6
,
0
)
d.
(
7
,
9
)
(7, 9)
(
7
,
9
)
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