Question

Define union of set.

Answer 1

In set theory, the union (denoted by ∪) of a collection of sets is the set of all elements in the collection. It is one of the fundamental operations through whichsets can be combined and related to each other. For explanation of the symbols used in this article, refer to the table of mathematical symbols...

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Answer 2

Answer:

Step-by-step explanation:

If there are two sets... A and B

Then union of these two sets all the elements of A as well as all the elements of B.. Lets take an example...

A={123}

B={456}

Then A union B={123456}

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