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

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

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

One of the lines represented by the equation ax^(2)+bxy+cy^(2)=0 bisects an angle between the co-ordinate axes

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

If one of the lines ax^(2)+2hxy+by^(2)=0 bisects the angle between the aaxes in the first quadrant then

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

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