Question: I need help with these two problems please, with a full explanation and please make it legible. permutation. 26. Let a and '3 belong to
I need help with these two problems please, with a full explanation and please make it legible.


permutation. 26. Let a and '3 belong to S\". Prove that cur15'1a is an even - 12. Let G be a group. Prove that the mapping a(g) = g- for all g in G is an automorphism if and only if G is Abelian
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