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  4. Let A and B be two sets, then (A ∪ B)' ∪(A' ∩ B) is equal to

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Q. Let $A$ and $B$ be two sets, then $(A \cup B)' \cup\left(A' \cap B\right)$ is equal to

NTA AbhyasNTA Abhyas 2022

Solution:

Draw the Venn-Euler's diagram and it would be clear that
Solution
$(A \cup B)^{\prime} \cup\left(A^{\prime} \cap B\right)=(A)^{\prime}$