Question

If U={1,3,4,5,7,8,9} and A={1,3,7,9} then A=

Answer 1

Step-by-step explanation:

please write full question .

Answer 2

A is a subset of U

Explanation :-

Here U is regarded as a universal set . And A has some elements same as to U , bit not all elements . So that's Why A is a subset of U