Definition 3.1 .8 The given Universal set that are not notation of the complemant of A is is denoted Ac or A. Ac=A={xxU,x/A} EXAMPLE 3.5 Let U={a,b,c,,s,t,u} and A={b,a,s,k,e,t},B={r,e,q,u,i,r,e,m,e,n,t,s} Determine the complement of A and B. Problem 54 Use B={1,2,3,4} to solve following: 1. Find B 2. )K={1,2,3,4,5,6,7,8}, find Bc 3. If U={1,2,3,4,5,6,7,8}, find Bc