PDF chapter test TRY NOW

Find \(A \times B\), \(A \times A\) and \(B \times A\).
 
\(A = \{m, n\}\) and \(B = \phi\)
 
Answer:
 
\(A \times B =\)
 
\(A \times A =\)
 
\(B \times A =\)
Answer variants:
m,m,m,n,n,m,n,n