[" Coordinates of the centre of a circle,whose radius is "2],[" unit and which touches "],[" the line pair "x^(2)-y^(2)-2x+1=0," are: "]

Co-ordinates of the centre of a circle,whose radius is 2 unit and which touches the pair of lines ines x^(2)-y^(2)-2x+1=0 is (are)

Co-ordinates of the centre of a circle, whose radius is 2 unit and which touches the pair of lines x^2-y^2-2x + 1 = 0 is (are)

Co-ordinates of the centre of a circle, whose radius is 2 unit and which touches the pair of lines x^2-y^2-2x + 1 = 0 is (are)

Co-ordinates of the centre of a circle, whose radius is 2 unit and which touches the pair of lines ines x^2-y^2-2x + 1 = 0 is (are)

The centre of the circle whose radius is 5 and which touches the circle x^(2)+y^(2)-2x-4y-20=0 at (5,5) is

The centre of the circle whose radius is 5 and which touches the circle x^(2)+y^(2)-2x-4y-20=0 at (5,5) is

Solve the following:Find the co-ordinates of centre of the circle whose radius is 3 units and which touches internally to the circle x^2+y^2-4x-6y-12=0 at point (-1,-1).

Centre of the circle whose radius is 3 and which touches internally the circle x^(2)+y^(2)-4x-6y-12=0 at the point (-1 -1) is