volume_mute
The union of two sets
publish date: 2022/07/07 22:27:00 GMT+10
volume_muteA ∪ B = {x|x ∊ A B both}
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or
and
not in
Correct Answer
(1) or
(2) or
Explanation
It is the set consisting of precisely those elements that belong to either A or B or both A and B.
Reference
Introduction to Differential Calculus (Systematic Studies with Engineering Applications for Beginners) - 2012