Brahmagupta was an Indian mathematician and astronomer who lived in the early 7th century CE. He was born in the city of Bhinmal in the state of Rajasthan, India, and is believed to have lived and worked in the city of Ujjain, which was a major center of learning in ancient India.
Brahmagupta is best known for his work on algebra and number theory, particularly for his contributions to the study of quadratic equations. He was also the first mathematician to use zero as a number in its own right, rather than just as a placeholder.
One of his most important works is the “Brahmasphutasiddhanta,” which is a treatise on astronomy and mathematics. In this work, he discussed topics such as arithmetic, algebra, geometry, and trigonometry, as well as astronomical phenomena such as eclipses, planetary motion, and the position of stars.
Brahmagupta’s contributions to mathematics include the development of the quadratic formula, the solution of indeterminate equations of the second degree, and the use of negative numbers. He was also one of the first mathematicians to study the properties of the circle and to use trigonometry to solve problems in astronomy.
Overall, Brahmagupta’s work had a profound influence on the development of mathematics in India and beyond, and his ideas continue to be studied and applied by mathematicians and astronomers today.