volume_mute
Number of elements in the cartesian product set A x B
publish date: 2022/07/14 02:09:00 GMT+10
volume_muteLet A = {1, 2, 3, 4}, and B = {5, 6, 7}, Then the number of elements in the cartesian product set A x B =
Correct Answer
12
Explanation
A x B = {(1, 5), (1, 6), (1, 7), (2, 5), (2, 6), (2, 7), (3, 5), (3, 6), (3, 7), (4, 5), (4, 6), (4, 7)}
containing 12 order pairs
Reference
Introduction to Differential Calculus (Systematic Studies with Engineering Applications for Beginners) - 2012, go-math-science.com