The equation of the straigh lines through the point `(x_(1),y_(1))` and parallel to the lines given by `ax^(2)+2xy+ay^(2)=0`, is

The equation of two straight lines through the point (x_(1),y_(1)) and perpendicular to the lines given by ax^(2)+2hxy+by^(2)=0 , is

The equation of two straight lines through the point (x_(1),y_(1)) and perpendicular to the lines given by ax^(2)+2hxy+by^(2)=0 , is

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

The combined equation of the pair of the straight lines through the point (1, 0) and parallel to thelines represented by 2x^(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

Find the combined equation of the straight lines passing through the point (1,1) and parallel to the lines represented by the equation . x^2-5xy+4y^2+x+2y-2=0 .

Find the combined equation of the straight lines passing through the point (1,1) and parallel to the lines represented by the equation . x^2-5xy+4y^2+x+2y-2=0 .

Find the combined equation of the straight lines passing through the point (1,1) and parallel to the lines represented by the equation . x^2-5xy+4y^2+x+2y-2=0 .