if A& B are 2 sets,(A-B) union (B-A) union (A intersection B)= ?
a) only A
b) A union B
c)(A union B) compliment
d)non of theses
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The union is notated A ⋃ B. More formally, x ∊ A ⋃ B if x ∈ A or x ∈ B (or both). The intersection of two sets contains only the elements ...
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b is the correct option i.e AUB
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