Question: Let G be a group in which every element is self-inverse. a Prove that G must be abelian bIf is the converse true then proveif

Let G be a group in which every element is self-inverse.
a Prove that G must be abelian
bIf is the converse true then proveif no then give some counterexamples.
cIf G is abelianthen must every element of G be self- inverse

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