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Number of Elements in A × B
publish date: 2026/05/23 22:20:48.103292 UTC
If set \(A\) contains \(m\) elements and set \(B\) contains \(n\) elements, how many ordered pairs are in the Cartesian product \(A \times B\)?
Reference
Introduction to Differential Calculus (Systematic Studies with Engineering Applications for Beginners) - 2012