I8. Let (R, 1.) be a commutative rinK with identity and let N denote the set of nilpotent elements of R. Verify that a) the triple (N,+,) is an ideal of (R,+,). [Hint: If a - - 0, consider (a - b)*+) b) the quotient ring (R/N.+.) has no nonzero nilpotent elements.
I8. Let (R, 1.) be a commutative rinK with identity and let N denote the set of nilpotent elements of R. Verify that a) the triple (N,+,) is an ideal of (R,+,). [Hint: If a - - 0, consider (a - b)*+) b) the quotient ring (R/N.+.) has no nonzero nilpotent elements.
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 31E: Let R be a commutative ring that does not have a unity. For a fixed aR, prove that the set...
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