Show that the set of all real numbers of the form a0 + a1π + a2π2 + · · · + anπn with ai ∈ Z and n ∈ N is a subring of R that contains both Z and π
Show that the set of all real numbers of the form a0 + a1π + a2π2 + · · · + anπn with ai ∈ Z and n ∈ N is a subring of R that contains both Z and π
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter5: Rings, Integral Domains, And Fields
Section5.1: Definition Of A Ring
Problem 18E: 18. Find subrings and of such that is not a subring of .
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Show that the set of all real numbers of the form
a0 + a1π + a2π2 + · · · + anπn
with ai ∈ Z and n ∈ N is a subring of R that contains both Z and π
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