Show that (p-1)(p2) (pr) (-1)'r!(mod p), for r= 1, 2, . . . ,p - 1. .
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.1: Equations
Problem 46E
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![9. Show that
(p − 1)(p2)··· (p −r) = (-1)'r!(mod p),
-
P - 1.
for r = 1, 2, .](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F03482ab3-8a24-4818-8fc5-23b0dbb246c7%2F272280fe-143e-4f04-8224-0fca2f8360a8%2F9hr1ga4_processed.jpeg&w=3840&q=75)
Transcribed Image Text:9. Show that
(p − 1)(p2)··· (p −r) = (-1)'r!(mod p),
-
P - 1.
for r = 1, 2, .
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