. Consider the ring (Z, 0, 0) where and are defined as follows ab=a+b-1 aob a+b-ab (a) Is the given ring commutative? Justify your answer. (b) Find the additive identity in the ring. (c) Does the ring have a unity? If yes, what is the unity? Justify our answers. (d) Is the ring a field? an integral domain? Justify your answers.
. Consider the ring (Z, 0, 0) where and are defined as follows ab=a+b-1 aob a+b-ab (a) Is the given ring commutative? Justify your answer. (b) Find the additive identity in the ring. (c) Does the ring have a unity? If yes, what is the unity? Justify our answers. (d) Is the ring a field? an integral domain? Justify your answers.
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter6: More On Rings
Section6.4: Maximal Ideals (optional)
Problem 13E
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