Question

if A = {0,1,2,-1} find A*A​

Answer 1

Answer:

Step-by-step explanation:

1) if A= 0

= 0*A

=0

2)if A = 1

= 1*A

=A

3) IF A =2

=2*A

=2A

4)iF A = -1

=-1*A

=-A