3. (10 pts) Let R be a commutative ring. If A and B are subrings of R, show that A n B is a subring of R.

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3. (10 pts) Let R be a commutative ring. If A and B are subrings of R, show that A n B is a subring of R.

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3 10 Pts Let R Be A Commutative Ring If A And B Are Subrings Of R Show That A N B Is A Subring Of R 1
3 10 Pts Let R Be A Commutative Ring If A And B Are Subrings Of R Show That A N B Is A Subring Of R 1 (8.7 KiB) Viewed 36 times
3. (10 pts) Let R be a commutative ring. If A and B are subrings of R, show that A n B is a subring of R.
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