Question

. Null set is
represented by​

Answer 1

Step-by-step explanation:

The empty set (or null set) is a set that has no members. Notation: The symbol ∅ is used to represent the empty set, { }..

Answer 2

$\huge \mathcal \color{darkblue} \boxed{\underline{AnsWer :}}$

∅ is user to represent a null set or empty set.