Question: Consider the set.S, where S = {m+3n: m, n = Z}, then which of the following is true? Sis dense in R but not

Consider the set.S, where S = {m+3n: m, n = Z}, then

Consider the set.S, where S = {m+3n: m, n = Z}, then which of the following is true? Sis dense in R but not closed S is closed but not dense S is connected and dense Neither S is dense nor closed C

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