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Byju's Answer
Standard VIII
Mathematics
General Equation of Circle S=0
The area boun...
Question
The area bounded by the closed curve whose equation is
x
2
−
6
x
+
y
2
+
8
y
=
0
is
A
12
π
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B
25
π
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C
36
π
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D
48
π
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E
cannot be determined
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Solution
The correct option is
B
25
π
Given equation is
x
2
−
6
x
+
y
2
+
8
y
=
0
⇒
(
x
−
3
)
2
+
(
y
+
4
)
2
=
25
The radius of the circle is
5
.
Therefore, area of circle is
π
r
2
=
25
π
.
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0
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