Bất đẳng thức khó tuyển vào 10 Sư phạm Hà Nội Toán học Thầy Thắng

Join this channel as a member to enjoy special privileges:    / @thaythangtv   Difficult Inequality for Entrance Exam to Hanoi Teacher Training College | Math by Teacher Thang Given a, b, c are greater than 0 and a + b + c = 3. Prove: a²/(a + b²) + b²/(b + c²) + c²/(c + a²) is greater than or equal to 3/2 This is a difficult problem to solve, often appearing in advanced Math topics – Algebra, and in preparation for the Hanoi Teacher Training College entrance exam. The video presents the thinking process, transformation techniques, and intelligent evaluation methods, very suitable for high-achieving students, teacher training students, and teachers as a reference. 📌 Video premieres at 12:15 PM on February 5th 👉 Don't forget to watch slowly and carefully consider each step to fully grasp the solution idea. Hashtag: #ToanHocThayThang #BatDangThuc #ToanDai #HocVienSuPhamHaNoi #LuyenThiToan