40.4k views
3 votes
3. If A = {b, c, d, e} and B= {d, e, f, g)two subsets of universal set, U = {b, c, d, e, f,g} show that.(AUB)'=(A'nB')



User Ergwun
by
7.9k points

1 Answer

5 votes


A\cup B=\{b,c,d,e,f,g\}\\(A\cup B)'=\emptyset\\\\A'=\{f,g\}\\B'=\{b,c\}\\A'\cap B'=\emptyset\\\\(A\cup B)'=A'\cap B'

User Aral Roca
by
8.1k points