MCQ Practice Mathematics 📖 সাধারণ দ্বিঘাত সমীকরণ ax2 + bx + c = 0 এর মূল দুটি হল-- A -b + c2 -4ab B -b ± b2 - 4ac2a C -c ± c2 - 4ab2a D 4ac - b2a 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 Previousax2 + bx + c = 0 সমীকরণের মূল দুইটি মূলদ হবে যদি-- Nextx2 + y2 = 185, x - y = 3 এর একটি সমাধান হবে?
