2 or ever for It turns positive on 4 ion and eir own the

Last updated: 12/4/2023

2 or ever for It turns positive on 4 ion and eir own the field O a b C d a a d a C b a d b C C a b C d d b b d d The multiplication table above is defined on the set S a b c d 5 Is S closed under o misilgalam bue no 12 do dodamago vamaid ame 6 Compute a ob 7 Is o commutative in S Why or why not 11 gas chur 8 Is o associative in S Why or why not 9 Does S have an identity with respect to o If so what is it 2 aindes