MCQ Practice Mathematics 📖 যদি a + b = √7 এবং b = a - √3 হয়, তবে ab = কত? A 1 B 2 C 2√10 D √21 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 Previousযদি a + b = √5 এবং a - b = √3 তবে a2 + b2 = কত? Nextযদি a + b = m, a2 + b2 = n এবং a3 + b3 = p3 হয়, তবে m3 + 2p3 -এর মান কত?
