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Question Answered step-by-step Guide please thanks! Guide please thanks! Image transcription text45. Let R be a commutative ring and let A be any subset of R. Show that the annihilator of A, Ann(A) = {r E R Ira = 0 for all a in A } is an ideal. 46. Let R be a commutative ring and let A be any ideal of R. Show that the nilradical of A, N(A) = {r E R | r” E A for some positive in- teger n (n depends on r) ), is an ide… Show more… Show more  Math Statistics and Probability Share QuestionEmailCopy link Comments (0)

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