MCQ Practice Mathematics 📖 a ≠ 0 হলে (a-1)-1 এর মান-- ক -aখ aগ a-1ঘ a-2 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 Previous9x + 9x + 9x = কত? Next√(a-1b).√(b-1c).√(c-1a) = কত?
