Question

If A={1,2,3,4,5}
B={4,5,6,7,8}
C={7,8,9,10,11}
D={10,11,12,13,14}

Find: 1. AUB
2. AUC
3.BUC
4. BUD
5. AUBUC
6. AUBUD
7. AUCUD

Also draw venn diagram

Answer 1

Step-by-step explanation:

AUB={1,2,3,4} U {3,4,5,6}

={1,2,3,4,5,6}

ii) AUC={1,2,3,4} U {5,6,7,8}

={1,2,3,4,5,6,7,8}

iii) BUC={3,4,5,6}U {5,6,7,8}

{3,4,5,6,7,8 }

iv) BUD={3,4,5,6,} U {7,8,9,10}

{3,4,5,6,7,8,9,10}