MCQ Practice Mathematics 📖 a - 1/a = 1 হলে, a3 - 1/a3 = কত? A 12 B 4 C 6 D 9 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