Let R be a commutative ring with 1Ŕ and let a € R - {OR} be not nilpotent. Define Sa = {ann € Z≥o}. Let I ≤ R[x] be defined by I = (ax – 1Ŕ), the ideal of R[x] generated by the element ax - 1R. Show R[x]/I ≈ S¹R, where S¹R={:re R, 8 € Sa} S

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 24E: 24. If is a commutative ring and is a fixed element of prove that the setis an ideal of . (The set...
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Let R be a commutative ring with 1Ŕ and let a € R− {0R} be not nilpotent.
Define Sa {an: ne Zo}. Let IC R[x] be defined by I = (ax - 1R), the
ideal of R[x] generated by the element ax – 1R. Show R[x]/I ≈ S¹R, where
S¹R = {:r € R, s ¤ Sa}
a
=
Transcribed Image Text:Let R be a commutative ring with 1Ŕ and let a € R− {0R} be not nilpotent. Define Sa {an: ne Zo}. Let IC R[x] be defined by I = (ax - 1R), the ideal of R[x] generated by the element ax – 1R. Show R[x]/I ≈ S¹R, where S¹R = {:r € R, s ¤ Sa} a =
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