MCQ Practice Mathematics 📖 x2 + y2 + z2 = 2, x + y + z = 2 হলে 2(xy + yz + zx) এর নাম কত? ক 0খ 1গ 2ঘ 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 Previousx2 + y2 = xy হলে (x + y)4 এর মান কত? Nextx2 + y2 + z2 = 4, x + y - z = 8 হলে yz + zx - xy এর মান -
