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A) find the union of J and A.b) find the intersection of J and A

A) find the union of J and A.b) find the intersection of J and A-example-1
User Aphoe
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Consider the given sets,


\begin{gathered} J=\lbrace-1,2,5,8\rbrace \\ A=\lbrace-2,3,4,5,8\rbrace \end{gathered}

The union set contains the elements which belong to either one of the sets or both.

So the union set of J and A is given by,


J\cup A=\lbrace-2,-1,2,3,4,5,8\rbrace

The intersection contains the elements which are present in both the sets i.e common to both the sets.

So the intersection set is given by,


J\cap A=\lbrace5,8\rbrace

Thus, the union and intersection sets are {-2,-1,1,2,3,4,5,8} and {5,8}, respectively.

User Mozillazg
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