Determine the sets A’

Question

U={a,s,d,f,g,h,j,k,l}, A={a,s,d,f,g}, B={f,g,h,j}

Answer 1

A' = U - A

A' = {a,s,d,f,g,h,j,k,l} - {a,s,d,f,g} = {h,j,k,l}