Question: Let A and B be the multisets {3 a, 2 b, 1 c} and {2 a, 3 b, 4

Let A and B be the multisets {3 · a, 2 · b, 1 · c} and {2 · a, 3 · b, 4 · d}, respectively. Find
a) A ∪ B.
b) A ∩ B.
c) A − B.
d) B − A.
e) A + B.

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