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Let . a,? Z[i] with prime. Prove that if ?|a, then 7 and a are relatively prime.Let , a. ? Z[i] with prime. Prove

Let . a,? Z[i] with prime. Prove that if ?|a, then 7 and a are relatively prime.Let , a. ? € Z[i] with prime. Prove that if ?| aß, then ?a or ? | ?

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