With the same $U$, $A$, $B$ above, $A \cap B'$ = ?

Question

Accepted Answer

$\{x : 1 < x < 3,\ x \in \mathbb{R}\}$

Answer

$\{x : 4 \leq x < 6,\ x \in \mathbb{R}\}$

Answer

$\{x : 1 < x < 4,\ x \in \mathbb{R}\}$

Answer

$\{x : 3 \leq x < 4,\ x \in \mathbb{R}\}$

With the same UUU, AAA, BBB above, A∩B′A \cap B'A∩B′ = ?