Question

A = {1, 3, 7, 9, 10}, B = {2, 5, 7, 8, 9, 10}

Answer 1

Find
(A ∪ B) ∪ (A ∩ B)
(A ∪ B) ∩ (A ∩ B)

Answer 2

Do you know how to find \(A\cup B\)?

Answer 3

Yes A ∪ B is all the numbers they have in common

Answer 4

Actually, the numbers both have is \(A\cap B\) and \(A\cup B\) is all numbers in either one.

Answer 5

First find those sets.

Answer 6

A ∪ B=1,2,3,5,7,8,9,10
A ∩ B=7,9,10

Answer 7

Now You can use those to find the final answers

Answer 8

So (A ∪ B) ∪ (A ∩ B)=1,2,3,5,7,8,9,10

Answer 9

And (A ∪ B) ∩ (A ∩ B)=7, 9, 10?

Answer 10

Hello?

Answer 11

Yes

Answer 12

Ok thanks.