যদি A = {1, 2} এবং B = {a, b} হয়, তাহলে A × B =?

• ক {(1, 1), (2, 2), (a, a), (b, b)}
• খ {(1, 1), (a, a), (2, a), (1, b)}
• গ {(1, a), (1, b), (2, a), (b, b)}
• ঘ {(1, a), (2, a), (1, b), (2, b)} ✅ সঠিক উত্তর