SOLUTION: A= {1,2,3,4,5,6,7,8,9,10} B= {7,8,9,10,11,12} how can i solve this? 1. A-B 2. B-A 3. (A^B)U(B-A) 4. (A^B)U(A-B) can you help me?

Question 884424: A= {1,2,3,4,5,6,7,8,9,10} B= {7,8,9,10,11,12}
how can i solve this?
1. A-B
2. B-A
3. (A^B)U(B-A)
4. (A^B)U(A-B)
can you help me?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!

1. A-B
take away ab from A so you get just a
2. B-A
take away ab from B so you get just b
3. (A^B)U(B-A)
(A^B) is ab
B-A) is b
join them U and we get B
4. (A^B)U(A-B)
(A^B) is ab
A-B a
join them U and we get A

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