10. Let R be a commutative ring. The element a E R is called nilpotent if a' =U Tö SOIme positive integer n. Let I = {a €R: a is nilpotent}. Prove that I is an ideal of R.
10. Let R be a commutative ring. The element a E R is called nilpotent if a' =U Tö SOIme positive integer n. Let I = {a €R: a is nilpotent}. Prove that I is an ideal of R.
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter6: More On Rings
Section6.1: Ideals And Quotient Rings
Problem 12E: 12. Let be a commutative ring with unity. If prove that is an ideal of.
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