For which indeqere a moduo 18 whire 0La s18 have inuerses ?

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter9: Systems Of Linear Equations
Section9.7: Puzzle Problems
Problem 9OE
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Number Theory Question

xFor which integere a
0ga s18 have inverses ?
a modulo 18 whire
Transcribed Image Text:xFor which integere a 0ga s18 have inverses ? a modulo 18 whire
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