Deepak patra Asked a Question
September 26, 2021 4:44 pmpts 30 pts
ZS. Let bethe set olrationals and define a binary operation on Q by a*b=ut+b-ab. Then (a) () is a group (b) (S,") is agroup for somc subset S Q |H, (c} (9.*) is not associative (d) (.*) has no'identity
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  • Navdeep goyal 1 thankyou
    options A is wrong because inverse of 1 dose not exist. options c is wrong bcz Q is associated options D is wrong because O is an identity elements which is in Q so options B is ...
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