if A ={1,2,3} and B={3,4,5} find A ∆ B
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ϕ
Given, A={1,2,3} and B={4,5}
To find A∩B
We know A∩B is intersection of set A and set B giving out common elements of both sets.
Since A and B have no common elements,
A∩B=ϕ.
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