If A={x∈R:x2−4x+3≤0}A = \{x \in \mathbb{R} : x^2 - 4x + 3 \le 0\}A={x∈R:x2−4x+3≤0} and B={x∈R:x2−6x+8≤0}B = \{x \in \mathbb{R} : x^2 - 6x + 8 \le 0\}B={x∈R:x2−6x+8≤0}, what is A∩BA \cap BA∩B?
[3,4][3, 4][3,4]
[2,3][2, 3][2,3]
[1,2][1, 2][1,2]
[1,4][1, 4][1,4]