Question

X = {a,b,c,d) and Y = (f, b, d, g), find

(i) X – Y

(ii) y – x

(iii) X ∩ Y.

Answer 1

(i) X – Y = {a, c)

(ii) Y- X = (f, g)

(iii) X ∩ Y = {b, d}