[" 2.The circle concentric with "],[x^(2)+y^(2)+4x+6y+3=0" and radias "2" fo "]

The circle concentric with x^(2)+y^(2)+4x+6y+3=0 and radius 2 is

The circle concentric with x^(2)+y^(2)+4x+6y+3=0 and radius 2 is

The circle concentric with x^(2)+y^(2)+4x+6y+3=0 and radius 2 is

(i) Find the equation of a circle , which is concentric with the circle x^(2) + y^(2) - 6x + 12y + 15 = 0 and of double its radius. (ii) Find the equation of a circle , which is concentric with the circle x^(2) + y^(2) - 2x - 4y + 1 = 0 and whose radius is 5. (iii) Find the equation of the cricle concentric with x^(2) + y^(2) - 4x - 6y - 3 = 0 and which touches the y-axis. (iv) find the equation of a circle passing through the centre of the circle x^(2) + y^(2) + 8x + 10y - 7 = 0 and concentric with the circle 2x^(2) + 2y^(2) - 8x - 12y - 9 = 0 . (v) Find the equation of the circle concentric with the circle x^(2) + y^(2) + 4x - 8y - 6 = 0 and having radius double of its radius.

The equation of the circle concentric with x^(2)+y^(2)-6x+4y-3=0 and having radius 5 is

The equation of the circle concentric with x^(2)+y^(2)-6x+4y-3=0 and having radius 5 is

The equation of the circle concentric with the circle x ^(2) + y^(2) -4x-6y =0 and passing through the point (-4,-5) is

Find the equation of the circle concentric with the circle x^(2)+y^(2)-4x-6y-3=0 and which touches the y axis

Equation of the circle concentric with the circle x^(2) + y^(2) - 4x - 6y - 3 = 0 , and touching Y-axis , is