Question

If A= ( 1,-1 ) find A×A×A​

Answer 1

Answer:

A×A×A={−1,1}×{(−1,−1),(−1,1),(1,−1),(1,1)}

={(−1,−1,−1),(−1,−1,1),(−1,1,−1)(−1,1,1),(1,−1,−1),(1,−1,1),(1,1,−1),(1,1,1)

Answer 2

Answer:

If a=1

=a×a×a

=1×1×1

=1

If a= -1

=a×a×a

= -1×-1×-1

= -1