Prove that subring R[x?, x³] not isomorphic to R[x].

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hat subring R[x², x°] not isomorphic to R[x].

Elements Of Modern Algebra

8th Edition

ISBN:9781285463230

Author:Gilbert, Linda, Jimmie

Publisher:Gilbert, Linda, Jimmie

Chapter2: The Integers

Section2.1: Postulates For The Integers (optional)

Problem 34E

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