Q)Let bx +ay=ab and ax+by=1 be twovariable lines and a,b be parameters such that a2+b2=ab,then the locus of point of intersection of the lines isa)x2+y2+xy+1=0b)x2+y2-xy+1=0c)x2+y2+xy-1=0d)x2+y2-xy-1=0

Sibashis ghosh , 9 Years ago

Grade 11