MCQ Practice Mathematics 📖 যদি (x-y)2 = 12 এবং xy=1 হয় তবে x2+y2 = ? 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 This question appeared in Teacher Recruitment Preliminary Question Bank Quiz and Solution General math 2019 4th Step Exam(2)Question 5 Teacher Recruitment Preliminary Question Bank Quiz and Solution General math 2019 4th Step Exam(2)Question 5