MCQ Practice Mathematics 📖 x + y = 8 এবং x - y = 2 হলে, 2x2 + 2y2 = কত? A 64 B 68 C 70 D 72 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 Previousx + y = √7, x - y = √3 হলে, 8xy(x2 + y2) এর মান কোনটি? Nextx + y = 8; x - y = 6 হলে x2 + y2 এর মান কত?
