Q3. Is 20964 a quadratic residue mod 1987?
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.1: Real Numbers
Problem 39E
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can you explain please, I started out by simplifying 20964 = 1094 mod 1987, and then using the Legendre symbol to find (1094/1987)

Transcribed Image Text:Q3. Is 20964 a quadratic residue mod 1987?
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