Question

define empty set or null set​

Answer 1

Answer:

a city which has no element is called the null set or empty set

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 – {} 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.

Step-by-step explanation:

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