Question

A = {x: x ∈ N, x is a †actor o† 30} and B = {x: x ∈ N, x is a prime †actor o† 30} Show that (A ∪ B) − (A ∩ B) = (A − B) ∪ (B − A)

Answer 1

B) = (A-B) ∪ (B-A)

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