Question

1. If P = {1,2,5,7,9}, Q = {2,3,5,9,11} R = {3,4,5,7,9) and S = {2,3,4,5, 8}, then find
(i) (PUQ)UR (ii) (PnQ)nS (iii) (
QnS)nR​

Answer 1

Step-by-step explanation:

P = {1,2,5,7,9}

Q ={2,3,5,9,11}

R {3,4,5,7,9}

S= {2,3,4,5,8}

(PUQ) UR = { 1,2,3,,5,7,9,11}U{3,4,5,7,9}

={1,2,3,4,5,7,9,11}

(PnQ) nS = {2,5,9}n{2,3,4,5,8}

={2,5}

(QnS) nR = {2,3,5}n{3,4,5,7,9}

={3,5}

Hope it helps you