MCQ
If $A$ and $B$ be any two sets, then $(A \cap B)'$ is equal to
  • A
    $A' \cap {\rm B}'$
  • $A' \cup B'$
  • C
    $A \cap B$
  • D
    $A \cup B$

Answer

Correct option: B.
$A' \cup B'$
b
(b) From De’ morgan’s law, $(A \cap B)' = A' \cup B'$.

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