Question

what is a null set?????​

Answer 1

Step-by-step explanation:

set which does not have any elements present in it

like

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 :

♡A null set is a set that can be covered by a countable union of intervals of arbitrarily small total length..

♡The notion of null set in set theory anticipates the development of Lebesgue measure since a null set necessarily has measure zero.