Prove that The set of all complex number is a group under multiplication, and G={1,-1,i,-i} is a non-trivial subgroup of C.
Prove that The set of all complex number is a group under multiplication, and G={1,-1,i,-i} is a non-trivial subgroup of C.
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter3: Groups
Section3.3: Subgroups
Problem 36E
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1-Prove that The set of all
2- H={[1],[2],[4]} forms a subgroup of 〖Z_7^*=Z〗_7-[0] under multiplication. Are H of the group G is a subgroup of G?
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