Prove that if n divides a, b, and c, then n³ divides a²(b – c) + b² (a – c) +²(b – a).

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter2: The Integers
Section2.1: Postulates For The Integers (optional)
Problem 31E: 31. Prove that if is positive and is negative, then is negative.
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Prove that if n divides a, b, and c, then nº divides a² (b – c) + b² (a – c) + c² (b – a).
Transcribed Image Text:Prove that if n divides a, b, and c, then nº divides a² (b – c) + b² (a – c) + c² (b – a).
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