Question

If A = {4,5,6} ; B = { 7,8} then show that A union B = B union A.​

Answer 1

A = {4,5,6} ; B = { 7,8}

AUB ={4,5,6}U{ 7,8}

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

BUA = {7,8}U{4,5,6}

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

Thus, AUB = BUA

Answer 2

Answer:

A U B= 45678

B U A= 87654

Step-by-step explanation:

I hope this will help you