Question: 1. Consider the commutative ring R = Q x Z. (a) What are the additive and multiplicative identities of R? (b) What are the units

1. Consider the commutative ring R = Q x Z. (a)

1. Consider the commutative ring R = Q x Z. (a) What are the additive and multiplicative identities of R? (b) What are the units of R

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