2.1 Is it a group? For every question write down if a group is Abelian. 1. Does the (Z, +) (Integers under addition) form a group? 2. Does the (Q, *) (Rational numbers under multiplication) form a group? 3. Does the (Z11, '- mod 11') form a group?
2.1 Is it a group? For every question write down if a group is Abelian. 1. Does the (Z, +) (Integers under addition) form a group? 2. Does the (Q, *) (Rational numbers under multiplication) form a group? 3. Does the (Z11, '- mod 11') form a group?
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter4: More On Groups
Section4.7: Direct Sums (optional)
Problem 21E
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