Make a table of values of the numbers 10n – 1 and 10n + 1 for 1 < n < 20. Circle any numbers that are prime. In your table, is it true that for each n, at least one of the numbers 10n ± 1 is prime? Prove that there are infinitely many values of n for which 10n – 1 and 10n + 1 are both composite.
Make a table of values of the numbers 10n – 1 and 10n + 1 for 1 < n < 20. Circle any numbers that are prime. In your table, is it true that for each n, at least one of the numbers 10n ± 1 is prime? Prove that there are infinitely many values of n for which 10n – 1 and 10n + 1 are both composite.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section4.2: Properties Of Division
Problem 51E
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