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

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

Find the equation of a circle concentric with the circle 2x^2+2y^2-6x+8y+1=0 and of double its area.

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

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

Equation of circle , concentric with circle x^(2) + y^(2) - 6x + 12y + 15 = 0 and of double its radius , is

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

Find the equation of a circle concentric with the circle : 2x^2 + 2y^2-6x+8y+1=0 and of double its area.

Find the equation of a circle concentric with the circle 2x^(2)+2y^(2)-6x+8y+1=0 and double of its area.