Question

1.Write the two methods of writing sets with egs
2. write the types of sets​

Answer 1

Answer:

1- Two methods of describing sets are the roster method and set-builder notation. Example: B = {1, 2, 3, 4, 5} Example: C = {x| x ∈ N where x > 4} Example: Write B = {1, 4, 9, 16, …} in set builder notation. Example: Given C = {2x | x > 10 and x is a natural number}, list the elements of the set.

2- Types of a Set

• Finite Set. A set which contains a definite number of elements is called a finite set. ...
• Infinite Set. A set which contains infinite number of elements is called an infinite set. ...
• Subset. ...
• Proper Subset. ...
• Universal Set. ...
• Empty Set or Null Set. ...
• Singleton Set or Unit Set. ...
• Equal Set.