If A = {2, 3, 5, 7, 11} and B = ϕ, find:

(i) A B


(ii) A B


Given; A = {2, 3, 5, 7, 11} and B = ϕ

(i) A B = {2, 3, 5, 7, 11}


(ii) A B = ϕ


1