Question: 7)Let . A = {1,3,5,6,9,11} a) List the elements of the relation(congruence mod 4). b) Show why it is an equivalence relation. c) List the

7)Let . A = {1,3,5,6,9,11} a) List the elements of the relation(congruence mod 4). b) Show why it is an equivalence relation. c) List the equivalence classes.

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