Let R = Z [x] and let I = be an ideal. 1) Prove that...
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Let R = Z [x] and let I = <3, x^2 +1> be an ideal. 1) Prove that R/I is isomorphic to Z3 [x] /<x^2 +1> ii) Conclude that R/I is a field and determine the number of its elements, show your steps iii) Prove or show a counterexample: Let S = Z3 [x] /<x^2+1>, then the class of x+1 is the multiplicative generator of S* (The Set of the Units of S) RING THEORY (Please prove explicitly all the results and state the theorems used) Let R = Z [x] and let I = <3, x^2 +1> be an ideal. 1) Prove that R/I is isomorphic to Z3 [x] /<x^2 +1> ii) Conclude that R/I is a field and determine the number of its elements, show your steps iii) Prove or show a counterexample: Let S = Z3 [x] /<x^2+1>, then the class of x+1 is the multiplicative generator of S* (The Set of the Units of S) RING THEORY (Please prove explicitly all the results and state the theorems used)
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Answer rating: 100% (QA)
i To prove that RI is isomorphic to Z3x we need to find a bijective homomorphism from RI to Z3x and show that it preserves the structure of the ring D... View the full answer
Related Book For
Discrete and Combinatorial Mathematics An Applied Introduction
ISBN: 978-0201726343
5th edition
Authors: Ralph P. Grimaldi
Posted Date:
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