If the equation `3x^(2)+xy-y^(2)-3x+6y+k=0` represents a pair of straight lines, then the value of k, is

The equation x^(2)+kxy+y^(2)-5x-7y+6=0 represents a pair of straight lines, then k is

The equation x^(2)+kxy+y^(2)-5x-7y+6=0 represents a pair of straight lines, then k is

a(x^(2)-y^(2))+xy=0 represents a pair of straight lines for

a(x^(2)-y^(2))+xy=0 represents a pair of straight lines for

If x^(2)+xy-2y^(2)+4x-y+k=0 represents a pair of straight lines, find k.

If the equation lambda x^(2)-5xy+6y^(2)+x-3y=0 represents a pair of straight lines then their point of intersection is

If the equation kx^(2) – 2xy - y^(2)– 2x + 2y = 0 represents a pair of lines, then k =

If the equation 2x^(2)+kxy-3y^(2)-x-4y-1=0 represents a pair of lines then the value of ' 'k' can be: