MCQ Practice Mathematics 📖 A = 1, 2, 3}, B = {3, a, b} হলে, A ∪ B = কত? A {1, 2, 3, a, b} B {1, 2, 3} C {3, a, b} D {3} Favorite Practice Add to Book Explanation & Answer Detailed explanations and answers are restricted. Unlock full access by logging in to your account. 🔒 Unlock the detailed explanation and answers Log In / Sign Up Previous-3 এবং 4 এর দূরত্ব কত? NextA = {1, 3, 5}, B ={2, 4, 6} হলে A - B = কত?
