If one of the lines given by `kx^(2)+xy-y^(2)=0` bisects the angle between the co-ordinate axes, then k=

If one of the lines in the pair of straight lines given by 4x^(2)+6xy+ky^(2)=0 bisects the angle between the coordinate axes, then k in

If one of the two lines 3x^(2)-kxy-y^(2)=0 bisects an angle between the co-ordinates axes, then : k=

If one the lines in the pair of stright lines given by 4x^2+6xy+ky^2=0 bisects the angle between the coordinate axes, then k in

If one of the lines kx^(2)+xy-y^(2)=0 bisects an angle between the co-ordinate then: k=

If one of the lines given by the equation ax^(2)+6xy+by^(2)=0 bisects the angle between the co-ordinate axes, then value of (a+b) can be :

If one of the lines given by the equation ax^(2)+6xy+by^(2)=0 bisects the angle between the co-ordinate axes, then value of (a+b) can be :

If one of lines in ax^(2)+2hxy+by^(2)=0 bisects the angle between the coordinates axes then (a+b)^(2)=

If one of the lines given by kx^(2)+2hxy+by^(2)=0 bisects the angle between the axes in the first qaudrant, then