Question: Given 1 = {a, b}, and 2 = {1, 2, 3} What is the cardinality of 4 1? [1] List all the strings of 1

Given 1 = {a, b}, and 2 = {1, 2, 3} What is the cardinality of 4 1? [1] List all the strings of 1 2. [2] List all the strings of 2 1.

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