7. Let R be a commutative ring and let F = F(R, R) be the set of functions f: R→ R. Functions in F can be added and multiplied pointwise using the operations from R, i.e. define (f+ 9)(z) = f(x) + g(x) (f9)(z) = f(r)g(x) (a) Prove F is a commutative ring.
7. Let R be a commutative ring and let F = F(R, R) be the set of functions f: R→ R. Functions in F can be added and multiplied pointwise using the operations from R, i.e. define (f+ 9)(z) = f(x) + g(x) (f9)(z) = f(r)g(x) (a) Prove F is a commutative ring.
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter8: Polynomials
Section8.1: Polynomials Over A Ring
Problem 3E
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