Equation of the circle concentric with the circle `x^(2)+y^(2)-3x+4y-c=0` and passing through the point [(-1,-2) is

Find the equation of the circle concentric with the circle x^(2)+y^(2)-8x+6y-5=0 and passing through the point (-2,-7),

Find the equation of the circle concentric with the circle x^2 +y^2 - 4x - 6y-9=0 and passing through the point (-4, -5)

Find the equation of the circle concentric With the circle x^(2) + y^(2) - 4x - 6y - 9 = 0 and passing through the point ( -4, -5).

Find the equation of the circle concentric with the circle x^(2) + y^(2) + 4x + 4y + 11 = 0 and passing through the point ( 5, 4).

Find the equation of the circle concentric with the circle x ^(2) + y ^(2) + 4 x + 6y + 11 = 0 and passing through the point P(5, 4 ) .

Equation of unit circle concentric with circle x^(2)+y^(2)+8x+4y-8=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

Find the equation of circle which is concentric with the circle x^(2)+y^(2)-8x-12y+15=0 and passes through the point (1,2).