The equation `x^(2) - 2xy +y^(2) +3x +2 = 0` represents

The equation x^(2) + 4xy + 4y ^(2) - 3x - 6 = 0 represents

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

Show that the equation 2x^(2) + xy - y^(2) + x + 4y - 3 = 0 represents a pair of lines.

The equation x^(2) + y^(2) - 2xy -1 =0 represents :

The equation x^(2) + y^(2) - 2xy -1 =0 represents :

If the equation 3x^(2)-2y^(2)+lamda xy -x+5y-2=0 represents a pair of straight lines then lamda=

If the equation 3x^(2)-2y^(2)+lamda xy -x+5y-2=0 represents a pair of straight lines then lamda=

Find the value of lambda for which the equation 2x^(2)+4xy+y^(2)+x+3y+2=0 represents a pair of straight line