Define * on Q by a +b= qb Is Q a group under *? 210

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 27E: Let x and y be in Z, not both zero, then x2+y2Z+.
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92 D 00
Define * on Qby a * b= qb . Is Q a
q * b= ab
209
group under * ?
diD
Transcribed Image Text:92 D 00 Define * on Qby a * b= qb . Is Q a q * b= ab 209 group under * ? diD
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