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Which of the following sets are rings with respect to the usual operations of addition and...

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Advance Math

Which of the following sets are rings with respect to the usualoperations of addition and multiplication? If the set is a ring, isit also a field? can you explain in detail, I really do notunderstand how to prove.

  1. Q(?2,?3)={a+b?2+c?3+d?6:a,b,c,d?Q}

  2. R={a+b3?3:a,b?Q}

Answer & Explanation Solved by verified expert
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Since for b Rab33abQ is not a    See Answer
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