Joint equation of the diagonals of the square formed by the pairs of lines `xy+4x-3y-12=0` and `xy-3x+4y-12=0`, is

The equation of the diagonal of the square formed by the pairs of lines xy +4x - 3y - 12 = 0 and xy - 3x +4 y - 12 = 0 is

The equation of the diagonal of the square formed by the pairs of lines xy +4x - 3y - 12 = 0 and xy - 3x +4 y - 12 = 0 is

The equation of the diagonal of the square formed by the pairs of lines xy +4x - 3y - 12 = 0 and xy - 3x +4 y - 12 = 0 is

The equation of the diagonal of the square formed by the pairs of lines xy +4x - 3y - 12 = 0 and xy - 3x +4 y - 12 = 0 is

The combined equation of the diagonals of the square formed by the pairs of lines xy + 4x - 3y - 12 = 0 and xy - 3x + 4y - 12 = 0 is

If the combined equation of the diagonals of the square formed by the pairs of lines xy + 4x - 5y - 20 = 0 and xy - 5x + 4y - 20 =0 is x^2-y^2-kx + ly = 0 , then k+l =

The equations of the diagonals of the square formed by the pairs of straight lines 3x^(2)+8xy-3y^(2)=0 and 3x^(2)+8xy-3y^(2)+2x-4y-1=0 are

The area of rectangle formed by the pair of lines xy-x-2y+2=0 and xy-3x+2y-6=0 is