volume_mute
If A is a subset of B, then A union B is B
publish date: 2022/07/09 12:36:00 GMT+10
volume_mute
True
False
Correct Answer
True
Explanation
Let A = {1, 2, 3} and B = {1, 2, 3, 4, 5}, then A ∪ B = {1, 2, 3, 4, 5} which is B
Reference
Introduction to Differential Calculus (Systematic Studies with Engineering Applications for Beginners) - 2012