Evaluate the Legendre symbol (–42/61).

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.2: Exponents And Radicals
Problem 90E
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(a) Evaluate the Legendre symbol (-42/61).
(b) Decide whether x? = 150 (mod 19171) is solvable. (Note that 19171 =
and that 1009 is prime).
19.1009
Transcribed Image Text:(a) Evaluate the Legendre symbol (-42/61). (b) Decide whether x? = 150 (mod 19171) is solvable. (Note that 19171 = and that 1009 is prime). 19.1009
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