Show that if R is a ring with unity and N is an ideal of R such that N R, then R/N is a ring with unity.

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter6: More On Rings
Section6.3: The Characteristic Of A Ring
Problem 22E: 22. Let be a ring with finite number of elements. Show that the characteristic of divides .
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Number 25

24. Show that a factor ring of a field is either the trivial (zero) ring of one element or is isomorphic to the field.
25. Show that if R is a ring with unity and N is an ideal of R such that N R, then R/N is a ring with unity.
Transcribed Image Text:24. Show that a factor ring of a field is either the trivial (zero) ring of one element or is isomorphic to the field. 25. Show that if R is a ring with unity and N is an ideal of R such that N R, then R/N is a ring with unity.
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