C-01-Q100mediumsingle_mcqU={x:x<10, x∈R}U = \{x : x < 10,\ x \in \mathbb{R}\}U={x:x<10, x∈R}, A={x:1<x<4}A = \{x : 1 < x < 4\}A={x:1<x<4}, B={x:3≤x<6}B = \{x : 3 \leq x < 6\}B={x:3≤x<6} হলে A∩B′=?A \cap B' = ?A∩B′=?a{x:1<x<3, x∈R}\{x : 1 < x < 3,\ x \in \mathbb{R}\}{x:1<x<3, x∈R}b