Question

mentore Fes the groupe integrates a souboru dobre pe sebe up Hai & Polonica

Answer 1

Sol" Criven that, Z be the group of integers and nz be the subgroups of the multiple of n let Hinz={nalate} nEz also, OEZ 2 - 0 - 0 2) оєм и эф+ пz cz 2 Now, let a, y enz such that, x=na +э нь 2 Now, xy-laary = na-nb = n la –Ь) : a,bви a-b 6 7 nyl enz * * 47 Han for all nez.