K

Given the following sets, find the set (A'n B) u (A'nC').

U= {1, 2, 3,..., 9}

A = {2, 3, 7, 8)

B=(2, 3, 4)

C={1, 2, 3, 4, 7)

Next question

OA. (ANB) u (Anc) = {}

Select the correct choice below and, if necessary, fill in the answer box to complete your choice.

(...)

OB. (A'nB) U (An C) is the empty set.

(Use a comma to separate answers as needed. Use ascending order.)