volume_mute
If set A contains m elements and set B contains n elements, then the set A x B will have
publish date: 2022/08/24 08:07:00 GMT+10
volume_mute
m+n
m.n
m-n
m.m
n.n
Correct Answer
m.n
Reference
Introduction to Differential Calculus (Systematic Studies with Engineering Applications for Beginners) - 2012, go-math-science.com