The image shows a page from a book or textbook, likely a math or science textbook. The page features a colorful illustration of a person holding a book, possibly representing learning or studying. The text on the page is in Vietnamese and appears to be discussing topics related to mathematics or science. The text includes mathematical symbols and equations, indicating that the content is educational and focused on mathematical concepts. The overall layout of the page suggests it is part of a larger textbook or study guide.