Question: 3. Cartesian product and empty set: If A = {1, 2, 3) then what is A x ? If A and B are subsets of

3. Cartesian product and empty set: If A = {1, 2, 3) then what is A x ? If A and B are subsets of S, then the Cartesian product (cross product) of A and B, denoted symbolically by A x B, is defined by A x B = {(x, y) x E A and y eB The Cartesian product of 2 sets is the set of all combinations of ordered pairs that can be produced from the elements of both sets

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