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Ques-12-If-Y-0-1-2-3-4-is-transversal-for-5Z-in-Z-Show-whether-or-not-Y-is-a-subgroup-of-5Z-subgroup-under-addition-of-integers-modulo-of-5-




Question Number 193896 by Mastermind last updated on 22/Jun/23
Ques. 12  If Y = {0, 1, 2, 3, 4} is transversal for 5Z  in (Z, +). Show whether or not Y is a   subgroup of 5Z     subgroup under addition of integers modulo  of 5
$$\mathrm{Ques}.\:\mathrm{12} \\ $$$$\mathrm{If}\:\mathrm{Y}\:=\:\left\{\mathrm{0},\:\mathrm{1},\:\mathrm{2},\:\mathrm{3},\:\mathrm{4}\right\}\:\mathrm{is}\:\mathrm{transversal}\:\mathrm{for}\:\mathrm{5}\mathbb{Z} \\ $$$$\mathrm{in}\:\left(\mathbb{Z},\:+\right).\:\mathrm{Show}\:\mathrm{whether}\:\mathrm{or}\:\mathrm{not}\:\mathrm{Y}\:\mathrm{is}\:\mathrm{a}\: \\ $$$$\mathrm{subgroup}\:\mathrm{of}\:\mathrm{5}\mathbb{Z}\: \\ $$$$ \\ $$$$\mathrm{subgroup}\:\mathrm{under}\:\mathrm{addition}\:\mathrm{of}\:\mathrm{integers}\:\mathrm{modulo} \\ $$$$\mathrm{of}\:\mathrm{5} \\ $$

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