Lines represented by `x^(2)-y^(2)=0` are

Lines represented by x^(2)+2xy-y^(2)=0 are

The equation of the lines represented by x^(2)+2xy-y^(2)=0 are

The angle between the lines represented by x^(2)-y^(2)=0 is

The angle between the lines represented by x^(2)-y^(2)=0 is

The equation of the lines represented by 2x^(2)+2xy-y^(2)=0 are

The joint equation of lines passing through the origin and perpendicular to lines represented by x^(2)+xy-y^(2)=0 is

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

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

Lines represented by x^(2)+7xy+2y^(2)=0 are

Lines represented by 4x^(2)+4xy+y^(2)=0 are