Question

Define cross product of two sets

Answer 1

Both set A and set B consist of twoelements each. Their Cartesian product, written as A × B, results in a new set which has the following elements: A × B = {(a,5), (a,6), (b,5), (b,6)}. Each element of A is paired with each element of B. Each pair makes up one element of the output set.

Answer 2

That is, for sets A and B, the Cartesian product A × B is the set of all ordered pairs (a, b) where a ∈ A and b ∈ B. Products can be specifiedusing set-builder notation, e.g. A table can be created by taking the Cartesian product of a set of rows and a set of columns.
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