1. Let p be a prime and let g be a primitive root modulo p. Let a be an integer which is relatively prime to p. Prove that a has a square root modulo p (i.e., there exists an integer b such that b² = a (mod p)) if and only if the discrete logarithm log, (a) is even.
1. Let p be a prime and let g be a primitive root modulo p. Let a be an integer which is relatively prime to p. Prove that a has a square root modulo p (i.e., there exists an integer b such that b² = a (mod p)) if and only if the discrete logarithm log, (a) is even.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.4: Mathematical Induction
Problem 25E
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