Mathematics

Problem

7. Fill in the blanks to make each of the following a true statement : (i)

\mathrm{A} \cup \mathrm{A}^{\prime}=\ldots

(ii)

\quad \phi^{\prime} \cap \mathrm{A}=\ldots

(iii)

\mathrm{A} \cap \mathrm{A}^{\prime}=\ldots

(iv)

\quad \mathrm{U}^{\prime} \cap \mathrm{A}=\ldots