15. Let r be a primitive root of n. If gcd(a, n) = 1, then the smallest positive integer k such that a = rh (mod n) is called the index of a relative to r, denoted by ind,a. The theory of indices can be used to solve congruences. Consider the properties of indices (p. 164) and example 8.4 (p. 164). Solve pI43? 8x = 11 (mod 13)
15. Let r be a primitive root of n. If gcd(a, n) = 1, then the smallest positive integer k such that a = rh (mod n) is called the index of a relative to r, denoted by ind,a. The theory of indices can be used to solve congruences. Consider the properties of indices (p. 164) and example 8.4 (p. 164). Solve pI43? 8x = 11 (mod 13)
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.1: Real Numbers
Problem 38E
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