15f(n)=(2n+1)^(2)-(2n-1)^(2)-10 where is an integer. Prove that f(n) is never a multiple of 8

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.3: Algebraic Expressions
Problem 7E
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15f(n)=(2n+1)^(2)-(2n-1)^(2)-10 where is an
integer. Prove that f(n) is never a multiple of
8
Transcribed Image Text:15f(n)=(2n+1)^(2)-(2n-1)^(2)-10 where is an integer. Prove that f(n) is never a multiple of 8
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