Question

if a=4,5,6;b=7,8 then aub=​

Answer 1

Step-by-step explanation:

A union b ={4,5,6,7,8}

Hope it's helpful..

Answer 2

Answer:

A = {4,5,6}

B = {7,8}

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

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

So A U B = B U A

Step-by-step explanation: