[" 7) The radius of the circle "],[x^(2)+y^(2)+4x+6y+13=0" is "]

The radius of the circle x^(2) + y^(2) + 4x - 6y + 12 = 0 is

The radius of the circle x^(2) + y^(2) + 4x - 6y + 12 = 0 is

The radius of the ciclle x^(2)+y^(2)+4x+6y+13=0 is

Find the radius of the circle x^(2)+y^(2)-4x-6y+12=0

Equation of the circle concentric with the circle x^(2) + y^(2) + 8x + 10 y - 7 = 0 , and passing through the centre of the circle x^(2) + y^(2) - 4x - 6y = 0 ,is

Equation of the circle concentric with the circle x^(2) + y^(2) + 8x + 10 y - 7 = 0 , and passing through the centre of the circle x^(2) + y^(2) - 4x - 6y = 0 ,is

The value of k for which the circle x^(2) + y^(2) -4x + 6y +3 =0 will bisect the circumferece of the circle x^(2) +y^(2) +6x -4y +k=0 is

Find the centre and radius of equation of circle in x^(2) + y^(2) - 4x + 6y = 5