Question
Let $U=\{1,2,3,4,5,6,7,8,9,10\}$ be the universal set. Suppose $A=\{1,2,3,$, $4,5,6\}$ and $B=\{5,6,7\}$ are its two subsets. Write down the elements of $A-B$ and $A \cap B^{\prime}$
Step 1
This is the set of elements that are in $A$ but not in $B$. We can find this by simply comparing the elements of $A$ and $B$. Show more…
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