Let A = ({0} ∪ {x | x ∈ ℤ+and x < 4}), B = {0, 1, 3, 5, 7}, and C = ({0} ∪{x | x ∈ ℤ+and x is even and x < 8}). Write the contents of the following in roster notation. a) A ⨁ B b) (A ∪ B ∪ C) – (A ∩ B ∩ C) c) B ⨁ (A ∩ C)

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