Question

Let U={1,2,3,4,5,6,7,8,9). A = {1,2,3,4), B = {2,4,6,8) amb
C=13,4,5,6). Find (1) A (i) B' (i) (AUC)' (iv) (AUB)' (v) (A
(vi) B-C)​

Answer 1

(i) A={1,2,3,4}

(ii) B' = {1,3,5,7,8,9}

(iii) (AUC)' = ? Firstly finding (AUC)

(AUC) = {1,2,3,4,5,6}

i.e, (AUC)' = {7,8,9}

(iv) (AUC) = {1,2,3,4,6,8}

(AUC)'= {5,7,9}