The diagram shows how set $A$ is related to set $B$. Describe the shaded region in set

Question

The diagram shows how set $A$ is related to set $B$. Describe the shaded region in set notation. Given that the number of elements in the shaded region is $13$, $n(A)=10$ and $n(B)=4$, find $n(\xi \,)$, $n(B' \cap A)$.

Accepted Answer

(a) $A'\cup B$. (b)(i) $n(\xi)=19$. (ii) $n(B'\cap A)=6$.

Advanced Diagrammatic Representation of Set Relations

Advanced Diagrammatic Representation of Set Relations

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