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The equation of a circle concentric with...

The equation of a circle concentric with the circle `x^(2) + y^(2) - 6x + 12 y + 15 = 0 ` and double its area is

A

`x^(2)+y^(2)-6x+12y-15=0`

B

`x^(2)+y^(2)-6x+12y-30=0`

C

`x^(2)+y^(2)-6x+12y-25=0`

D

`x^(2)+y^(2)-6x=12y-20=0`

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The correct Answer is:
A
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