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Byju's Answer
Standard XII
Mathematics
Equation of Circle with (h,k) as Center
Circle x2+y2+...
Question
Circle
x
2
+
y
2
+
6
y
=
0
touches
A
y-axis at the origin
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B
x-axis at the origin
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C
x-axis at the point (3, 0)
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D
The line y + 3 = 0
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Solution
The correct option is
B
x-axis at the origin
Centre is (0, -3) and
R
=
√
0
2
+
9
+
0
=
3.
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