If sets A and B are defined as A={(x,y)|y=1x,x≠0, x ϵ R},B={(x,y)|y=−x, x ϵ R}, then
If the sets A and B are defined as
A = {(x, y) : y = 1x, 0 ≠ x ∈ R}
B = {(x, y) : y = -x, x ∈ R}, then