Equation of pair of straight lines drawn through (1, 1) and perpendicular to the pair of lines `3x^(2)-7xy+2y^(2)=0`, is

Equation of pair of lines drawn through (1, 1) and perpendicular to the pair of lines 3 x^(2)-7 x y+2 y^(2)=0 is

The equation to the pair of straight lines passing through (2,1) and perpendicular to the pair of lines 4xy+2x+6y+3=0 is

The equation to the pair of straight lines passing through (2, 1) and perpendicular to the pair of lines 4xy+2x+6y+3=0 is

The equation to the pair of st lines passing through (1, 2) and perpendicular to the pair of lines x^(2)-y^(2)=0 is

Fouation of the pair of straight lines through origin and perpendicular to the pair of straight lines 5x^(2)-7xy-3y^(2)=0 is

The equation of the pair of lines through (1,-1) and perpendicular to the pair of lines x^(2)-x y-2 y^(2)=0 is

The equation of the pair of lines through (1,-1) and perpendicular to the pair of lines x^2-xy-2y^2=0 is

Equation of the pair of straight lines through origin and perpendicular to the pair of straight lines 5x^2 - 7xy - 3y^2 = 0 is