MCQ
(A’)’ = ?
- A$\cup-\text{A}$
- B$\text{A}'$
- C$\cup$
- D$\text{A}$
Solution:
(A’)’ = A
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The set $(\text{A} \cap \text{B}')' \cup (\text{B} \cap \text{C})$ is equal to.
$\text{A}'\cup\text{B}\cup\text{C}$
$\text{A}'\cup\text{B}$
$\text{A}'\cup\text{C}'$
$\text{A}'\cap\text{B}$