MCQ Practice Mathematics 📖 a +b = 5 এবং a - b = 3 হলে ab এর মান কত? A 2 B 3 C 4 D 5 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 Previous(a + b)2 = 36 এবং (a - b)2 = 16 হলে, ab এবং (a2 + b2) -এর মান যথাক্রমে-- Nexta +b = 5 এবং ab = 6 হলে a3 + b3 এর মান কত?