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Mathematics
Mathematics
Problem
The radius of a circle with centre
(
a
,
b
)
(a, b)
(
a
,
b
)
and passing through the centre of the circle
x
2
+
y
2
−
2
g
x
+
f
2
=
0
x^2 + y^2 - 2gx + f^2 = 0
x
2
+
y
2
−
2
g
x
+
f
2
=
0
is- (1)
(
a
−
g
)
2
+
b
2
\sqrt{(a-g)^2 + b^2}
(
a
−
g
)
2
+
b
2
(2)
a
2
+
(
b
−
g
)
2
\sqrt{a^2 + (b-g)^2}
a
2
+
(
b
−
g
)
2
(3)
a
2
+
(
b
−
g
)
2
\sqrt{a^2 + (b-g)^2}
a
2
+
(
b
−
g
)
2
(4)
(
a
+
g
)
2
+
b
2
\sqrt{(a+g)^2 + b^2}
(
a
+
g
)
2
+
b
2
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