Question

if AUB ={1,2,3,4,5,6,7,8,9} and A={1,3,4,5,6,7} then which of the following set is set B.?
1){2,8,9,0}
2){1,2,3,4,5,6,7,8,9} 3){2,8,9}
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Answer 1

Answer:

B={2, 8,9}

to get B subtract A from A U B

I hope my answer helps you☺☺

Answer 2

Answer:

3){2.8.9}

Step-by-step explanation:

AUB={1,2,3,4,5,6,7,8,9}

and, A={1,3,4,5,6,7}

So, we will remove all the elements of A from AUB

∴B={2,8,9}