Question: 1. a) Let R be the relation on given by (, )(, ) iff = . If R is an equivalence relation on , prove

1. a) Let R be the relation on given by (, )(, ) iff = . If R is an equivalence relation on , prove it! If not, clearly explain why!

b) Describe the equivalence class of (3,2) . Name three elements in this equivalence class.

2. For , , xSy if x and y have the same prime divisors. Find 3 members of the equivalence class 10.

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