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If x=2+3costheta and y=1-3sintheta repre...

If `x=2+3costheta and y=1-3sintheta` represent a circle then the centre and radius is

A

1)`(2,1),9`

B

2)`(2,1),3`

C

3)`(1,2),(1)/(3)`

D

4)`(-2,-1),3`

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The correct Answer is:
B
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