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I'm not sure how to explain it in words, so I'll give you two examples.
1. Let's say we have a graph with the domain {x: -5<0} u {x: x>7}
This means that in the graph, x has every value between -5 and 0 (exclusive), and every value over 7. So in the graph, x can not be -6, -5, 1, 2, 3, and etc.
2. Another example of this is in a Venn Diagram
The union of a Venn Diagram is the addition of the 2 circles of the Venn Diagram, and subtracting their intersection.
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In math what does the union of two sets mean?
The union of two sets A and B is a set that consists of all elements which are either in A, or in B or in both.
What does aUb mean in math?
The union of sets A and B, that is, the set of all elements that are either in A or B (or both).
Do you say in math or on math?
In math best
How is math related to math?
Math is related to math because math(1) is technically math(2) itself, because there is really no description how math(1) is the same as math(2). There is only one math, except for types of math, like algebra.
What is Math Only Math?
Math is not just math you have to study it like subtration and addition. You use it on sheets or paper work.
