Question

13. U = {x|XEN, 1<x< 10), A= {1, 2, 3, 4, 5),
B = {4, 5, 7, 8, 9). What is A' B' = ?
(A) {4,5) (B) $ (C) {6} (D) {5}​

Answer 1

Answer:

D is a correct answer mark as Brian list