Question

what is a null set? don't spam please ​

Answer 1

Answer:

In mathematical analysis, a null set. is a set that has measure zero. This can be characterized as a set that can be covered by a countable union of intervals of arbitrarily small total length. The notion of null set should not be confused with the empty set as defined in set theory.

Answer 2

A null set is a set which has no elements in the set . It is also called void set .

E.g. set of all the natural number less than 1 .

As there is no natural number less than 1 , hence this set is null set