Phương Pháp Ghép Trục - Ví dụ mở đầu trong tìm cực trị hàm hợp

Axis Compounding Method - Introductory example in finding the extremum of a composite function --- Information about Mr. Do Van Duc and the LIVESTREAM course for the National High School Exam in Mathematics --- Mr. Do Van Duc has many years of experience in university entrance exam preparation, coming from a math major, Mr. Duc has an easy-to-understand teaching style, deeply rooted in the essence, focusing on helping students develop their thinking to solve good and difficult problems. --- Links to note: 1) Live page and text message to register for the course:   / dovanduc2020   2) Mr. Duc's personal page:   / thayductoan