PDF chapter test TRY NOW

Answer variants:
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Verify \((A \cap B)' = A' \cup B'\) using Venn diagrams.
 
Proof:
 
\(A \cap B =\)
 
\((A \cap B)' =\)
 ---- (\(1\))
 
\(A' =\)
 
\(B' =\)
 
\(A' \cup B' =\)
 ---- (\(2\))
 
From equations (\(1\)) and (\(2\)), we have \((A \cap B)' = A' \cup B'\).
 
Hence, we proved.