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9 Jan 2018
6. Let be a relation on Z defined as follows: a b if and only if 2a+36 is divisible by 5. (a) Show that is an equivalence relation. (b) What is the equivalence class of 0 ?
6. Let be a relation on Z defined as follows: a b if and only if 2a+36 is divisible by 5. (a) Show that is an equivalence relation. (b) What is the equivalence class of 0 ?
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