Let \(A =\) The set of all natural numbers less than \(3\), \(B =\) The set of all prime numbers less than \(9\), \(C =\) The set of even prime numbers. Demonstrate that \(A \times (B - C) = (A \times B) - (A \times C)\)
 
Answer:
 
To prove:
 
\(A \times (B - C) = (A \times B) - (A \times C)\)
 
Explanation:
 
\(B - C =\)
 
\(A \times (B - C) =\)
 
\(A \times B =\)
 
\(A \times C =\)
 
\((A \times B) - (A \times C) =\)
 
Therefore, \(A \times (B - C) = (A \times B) - (A \times C)\)
 
Hence, we proved.
Answer variants:
1,2,2,2
1,3,1,5,1,7,2,3,2,5,2,7
1,2,1,3,1,5,1,7,2,2,2,3,2,5,2,7
\(\{3,5,7\}\)