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Posted: **Mon May 09, 2022 10:47 am**

: 5 Define An Operation On G X Er 1 By 2 X Y X Y Xy Show That G Is An Abelian Group 7 6 Prov 1 (28.88 KiB) Viewed 19 times

5. Define an operation * on G = {x ER | * # -1} by 2 X * y = x + y + xy. Show that (G, *) is an abelian group. 7 6. Prove that the additive group of the rational numbers is not cyclic.