Choose the correct option
1
\( (A \cap B)^{\circ}=A^{\circ} \cap B^{\circ} \)
2
\( (A \cap B) \subseteq A^{\prime} \cap B^{\prime}\)
3
\(\overline{(A \cap B)} \subseteq \bar{A} \cap \bar{B}\)
4
\((A \cup B)^{\circ} \supseteq A^{\circ} \cup B^{\circ}\)