Question

IfA= {4, 5, 6}; B= {7,8} then show that AU B=BUA.​

Answer 1

Answer:

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

A∪B={4,5,6,7,8}

B∪A={7,8,4,5,6}

Both the sets contain same elements .

Hence A∪B=B∪A

Step-by-step explanation:

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

A∪B={4,5,6,7,8}

B∪A={7,8,4,5,6}

Both the sets contain same elements .

Hence A∪B=B∪A