Question

@ A={x:x,XEN, a is a composite number and
X<11 }write A in a roaster form.

Answer 1

composite number are those numbers which are not in the list of prime numbers.

since the set contain number of members x such that x is composite number and belongs to natural number less than 11. therefore the roaster form of the set is :-

A = {4,6,8,9,10}