Mathematics · Abstract Algebra
Which of the following statements is true regarding rings in abstract algebra?
- 1A ring always contains a multiplicative identity element.
- 2A ring can have two or more distinct multiplicative identities.
- 3An element in a ring may have two or more distinct multiplicative inverses.
- 4A ring may not have a unity (multiplicative identity).✓
Correct answer
A ring may not have a unity (multiplicative identity).
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