Find the equation of the common chord of the following pair of circles.
`x^2 + y^2 - 4y + 3 = 0 `,
`x^2 + y^2 - 5x - 6y + 4 = 0 .`

Find the equation of the common chord of the following pair of circles. x^2 + y^2 + 3y+ 1 = 0 , x^2 + y^2 + 4x + 3y + 2 = 0 .

Find the equation of the common chord of the following pair of circles x^2+y^2-4x-4y+3=0 x^2+y^2-5x-6y+4=0

Find the equation of the common chord of the following pair of circles x^2+y^2-4x-4y+3=0 x^2+y^2-5x-6y+4=0

Find the equation and length of the common chord of the following circles. x^2 + y^2 - 5x - 6y + 4 = 0, x^2 + y^2 - 2x -2 = 0

Find the equation of the common chord of the following pair of circles x^2+y^2+2x+3y+1=0 x^2+y^2+4x+3y+2=0

Find the equation of the common chord of the following pair of circles x^2+y^2+2x+3y+1=0 x^2+y^2+4x+3y+2=0

Find the equation and length of the common chord of the following circles. x^2 + y^2 + 2x + 2y + 1 = 0 , x^2 + y^2 + 4x + 3y + 2 = 0 .

Find the equation to the common chord of the two circles x^(2) + y^(2) - 4x + 6y - 36 = 0 and x^(2) + y^(2) - 5x + 8y - 43 = 0 .

Find the equation of the radical axis of the following circles. x^2 + y^2 -2x - 4y -1 = 0. x^2 + y^2 - 4x - 6y + 5 = 0 .