4th October 2019

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# What is a union and intersection in math?

The union of two sets is a new set that contains all of the elements that are in at least one of the two sets. The union is written as A ∪ B or “ A or B ”. Intersection. The intersection of two sets is a new set that contains all of the elements that are in both sets. The intersection is written as A ∩ B or “ A and B ”

Furthermore, what does the Union mean in math?

The union of two sets A and B is the set of elements in A, or B, or both. The symbol is a special "U" like this: ∪ Example: The union of the "Soccer" and "Tennis" sets is alex, hunter, casey, drew and jade, which is written: Soccer ∪ Tennis = {alex, hunter, casey, drew and jade} See: Intersection (sets)

How do you find the union in math?

Union and Intersection
1. The UNION of two sets is the set of elements which are in either set.
2. For example: let A = (1,2,3) and let B = (3,4,5).
3. The INTERSECTION of two sets is the set of elements which are in both sets.
4. For example: let A = (1,2,3) and B = (3,4,5).
5. Sometimes there will be no intersection at all.
6. For example: Given set.

What is Union in maths definition?

Math Term Definition. Union of two sets. The union of two sets is everything in both sets. For example if you have the set {3,4,5} and the set {5,6,7}, then the union of these two sets is {3,4,5,6,7}. The symbol for union is a capital U.
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