Question

write some important sets and their notations​

Answer 1

Answer:

What are the different notations in sets?

Symbol Meaning Example

{ } Set: a collection of elements {1, 2, 3, 4}

A ∪ B Union: in A or B (or both) C ∪ D = {1, 2, 3, 4, 5}

A ∩ B Intersection: in both A and B C ∩ D = {3, 4}

A ⊆ B Subset: every element of A is in B. {3, 4, 5} ⊆ D

Step-by-step explanation:

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