Find the equation of a circle with center (4, 3) touching the circle `x^2+y^2=1`

Equation of a circle with centre( 4,3 ) touching the circle x^(2)+y^(2)=1

Find the equation of circles with radius 12 and touching the circle x^(2)+y^(2)=25 at the point (3,4)

Equation of the circle with centre (-4,3), and touching the circle x^(2) + y^(2) = 1 , is

Find the equation of a circle with centre (1,-3) and touches the line 2x-y-4=0.

(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.

Find the equation of the circle with center (-3,2) and radius 4

Find the equation of the circle , centred at (-1,4) , which touches the circle x^(2) + y^(2) - 6x - 2y + 1 = 0 externally

The equation to the circle with centre (2,1) and touching the line 3x+4y=5 is