The equation of circle concentric with c...

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

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

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

`x ^(2) + y^(2) -6x + 12 y + 45 =0`

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TARGET PUBLICATION-CIRCLE AND CONICS -CRITICAL THINKING

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