MCQ Practice Mathematics 📖 a2 + b2 = কত? A (a + b)2 + 2ab B (a + b)2 - 2ab C (a - b)2 - 4ab D (a - b)2 -2ab 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 Previousa2 - 2ab থেকে কত বিয়োগ করলে বিয়োগফল একটি পূর্ণ বর্গ হবে? Nexta2 - x2a + y × a2 - y2ax + x2 × 1a - x = কত?
