The correct answers are A) the first Chinese book about mathematics, Nine Chapters on the Mathematical Art, was composed before 200 BC and B) the Han Dynasty invented calculus, even though Sir Isaac Newton has been given credit in most history books.
The options that describe Chinese developments in mathematics are the first Chinese book about mathematics, Nine Chapters on the Mathematical Art, was composed before 200 BC and the Han Dynasty invented calculus, even though Sir Isaac Newton has been given credit in most history books.
Historians consider that the Chinese developed its mathematics by the 11th century. They worked with decimals, negative numbers, algebra, geometry, and trigonometry. The Chinese people were smart enough to work with many areas in mathematics that could apply in many aspects of their life.