The intersection of three lines x−y=0, x+2y=3 and 2x+y=6 is a :
The lines (lx+my)2−3(mx−ly)2=0 and lx + my + n = 0 form
The equation x- y = 4 and x2+4xy+y2=0 represent the sides of
The figure formed by the lines x2+4xy+y2=0 and x - y = 4, is [Roorkee 1980]