G is the group of nth roots of unity under complex multiplication Zn is the group of integers represented using exponential notation as e(2pi ix)/n, where x is an integer ranging from 0 to n-1. Consider the function to defined by f(e(2pi ix)/n)=[x]n from G -->Zn.  Chose a prime number, n, between 10 and 99, and using n, prove why the function f(e(2pi ix)/n)=[x]n is operation preserving. Justify your work.

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter7: Real And Complex Numbers
Section7.3: De Moivre’s Theorem And Roots Of Complex Numbers
Problem 21E
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G is the group of nth roots of unity under complex multiplication

Zn is the group of integers represented using exponential notation as e(2pi ix)/n, where x is an integer ranging from 0 to n-1. Consider the function to defined by f(e(2pi ix)/n)=[x]n from G -->Zn

Chose a prime number, n, between 10 and 99, and using n, prove why the function f(e(2pi ix)/n)=[x]is operation preserving. Justify your work. 

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