2. Найдите множества An B, AUB, B\A: A = {x | x ∈ Z, x ≥ 5} B = {x | x ∈ N, x ≤ 11}

2. Найдем множества:

A = {5, 6, 7, 8, 9, 10, 11, ...}

B = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}

• A ∩ B = {5, 6, 7, 8, 9, 10, 11}
• A ∪ B = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, ...}
• B \ A = {1, 2, 3, 4}

Ответ: A ∩ B = {5, 6, 7, 8, 9, 10, 11}; A ∪ B = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, ...}; B \ A = {1, 2, 3, 4}