prove that (x-1/x-1+y-1)+ (x-1/x-1-y-1)=2y2/y2-x2 Share with your friends Share 8 Lovina Kansal answered this Dear student we have,1x1x+1y+1x1x-1y=1xx+yxy+1xy-xxy=1x×xyx+y+1x×xyy-x=yy+x+yy-x=yy-x+yy+xy2-x2=y2-xy+y2+xyy2-x2=2y2y2-x2 Regards 16 View Full Answer