Question

Let A = {2, 3, 4, 5, ..., 17, 18}. Let be
the equivalente relation on AXA,
cartesian product of A with itself,
defined by (a, b) (c,d) if ad = bc.
Then, the number of ordered pairs of
the equivalence class of (3, 2) is
[1 ma​

Answer 1

Answer:

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