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2. (The Ring Z[V-5]) We saw that Z[V-5 doesnt have a Nevertheless, exercise hints at some patterns that persist. unique fact

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= a+ ib15, , bez t can basthe gsto 1) the Poimes 1CD 29, 61, 89, dre 12 of +5b=29 1a1= 3, 1b1= 2 et 3 9+5b 61 tal = 4, 1bl3 2

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