Question: List the ordered pairs in the relation R from A = {0, 1, 2, 3, 4} to B = {0, 1, 2, 3}, where (a,

List the ordered pairs in the relation R from A = {0, 1, 2, 3, 4} to B = {0, 1, 2, 3}, where (a, b) ∈ R if and only if
a) a = b.
b) a + b = 4.
c) a > b.
d) a | b.
e) gcd(a, b) = 1.
f) lcm(a, b) = 2.

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