(3b) Let n E Z. Prove that if 3|(2n² + 1), then 3 ł n

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 18E
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(3b) Let n E Z. Prove that if 3|(2n² + 1), then 3 ł n.
Transcribed Image Text:(3b) Let n E Z. Prove that if 3|(2n² + 1), then 3 ł n.
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