Let n be a positive integer and let nZ = {nm |m E Z}. a. Show that
Question:
Let n be a positive integer and let nZ = {nm |m E Z}.
a. Show that (nZ, +) is a group.
b. Show that (nZ, +) ≈ (Z, +).
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a Closure Let nr and ns be two elements of nZ Now nr ns nrs nZ so nZ is closed under addi...View the full answer
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