Question

what is empty set and example​

Answer 1

Any Set that does not contain any element is called the empty or null or void set. The symbol used to represent an empty set is – {} or φ. Examples: Let A = {x : 9 < x < 10, x is a natural number} will be a null set because there is NO natural number between numbers 9 and 10.

Answer 2

Answer:

Any set that does not contain any element is called the empty or null or void set. The symbol used to represent an empty set is - {}.

Examples: Let A= {x:9<x<10, x is a natural number} will be a null set because there is NO natural number between numbers 9 and 10.