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3.Short answer questions:7. Using venn diagram, show that A Union (A intersection B)=A |
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Answer» Learn how to represent the intersection of sets USING Venn diagram. The intersection set operations can be visualized from the DIAGRAMMATIC representation of sets.The rectangular region represents the universal set U and the circular regions the SUBSETS A and B. The shaded portion represents the set name below the diagram.Let A and B be the two sets. The intersection of A and B is the set of all those elements which belong to both A and B.Now we will use the notation A ∩ B (which is READ as ‘A intersection B’) to DENOTE the intersection of set A and set B.Thus, A ∩ B = {x : x ∈ A and x ∈ B}.Clearly, x ∈ A ∩ B |
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