7.
If A, B are non-empty sets then (A - B) U (B - A) equals step - by - step3
(1) (A U B) - B
(2) A - (
AB)
(3) (AUB) - (
AB)
(4) (
AB) U (
AB)
Answers
Answered by
1
the answer is 1) (A U B)-B
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