MCQ Practice Mathematics 📖 a + b = 7, ab = 10 হলে (a-b)2 = কত? A 19 B 29 C 39 D 9 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 Previousa = 5 হলে, a3 - 3a2 + 3a - 1 এর মান কত? Nexta + c > b হলে নিচের কোনটি সত্য?
