Question

A{p,q,r,s}, B={m,n,q,s,t} and C={m,n,p,q,s}, then verify the associative property of union of sets

Answer 1

hope it helps you
by Ahalya

Answer 2

if A={P,q,r,s},B={m,n,q,s,t}and C={m,n,p,q,s} than verify the associative property of unions of sets