Let $A$ and $B$ be two sets then $(A \cup B)' \cup (A' \cap B)$ is equal to
$A'$
$A$
$B'$
None of these
(a) From Venn-Euler's Diagram, $\therefore (A \cup B)' \cup (A' \cap B) = A'$.
Draw appropriate Venn diagram for each of the following:
$(A \cup B)^{\prime}$
Taking the set of natural numbers as the universal set, write down the complements of the following sets:
$\{ x:x$ is an odd natural number $\} $
Let $U=\{1,2,3,4,5,6,7,8,9,10\}$ and $A=\{1,3,5,7,9\} .$ Find $A^{\prime}$
Let $U$ be the universal set and $A \cup B \cup C = U$. Then $\{ (A – B) \cup (B – C) \cup (C – A)\} '$ is equal to
$\{ x:x$ is an even natural number $\} $
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