Question

If A = { ∣ ∈ 2 < < 7} and B = { ∣ ∈ ≤ 5}, find (2) i) A ⋃ B ii) A – B Also verify that: n(A-B) = n(A ⋃ B) – n(B)

Answer 1

Step-by-step explanation:

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