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George lifin rell Asked a Question March 21, 2021 7:26 pm
30 pts me properties of 198| Theoremn: Every subgroup of an abelian group is a normal group. p Proof. Let H be a subgroup of any commutative group G. xeGand h e H, then xhx= (hx)x G i = hxx) by as = he = h eH Thus, x E GheHxhx e H, His a normal subgroup of G. roun
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