Joint equation of pair of lines through `(3,-2)` and parallel to `x^2-4xy+3y^2=0` is

The joint equation of pair of lines through (2, -3) and parallel to x^(2)+xy-y^(2)=0 is

The joint equation of pair of lines through (2, -1) and parallel to 2x^(2)+3xy-9y^(2)=0 is

Equation of pair of lines passing through (3,4) and parallel to lines x^(2)-y^(2)=0

Equation of pair of lines passing through (3,4) and parallel to lines x^(2)-y^(2)=0

Joint equation of two lines through (2,-1) parallel to two lines 2x^(2)-3xy-9y^(2)=0 is

Find the equation to the pair of lines passing through (1,2) and parallel to the lines 2x^(2)-xy-y^(2)=0

The joint equation of pair of lines through point (1, 2) and perpendicular to the lines given by 2x^(2)-5xy+3y^(2)=0 is