Q)Let bx +ay=ab and ax+by=1 be two

variable lines and a,b be parameters such that a2+b2=ab,then the locus of point of intersection of the lines is

a)x2+y2+xy+1=0

b)x2+y2-xy+1=0

c)x2+y2+xy-1=0

d)x2+y2-xy-1=0

Sibashis ghosh , 11 Years ago

Grade 11