Mathematician:Brahmagupta

Mathematician

Indian mathematician and astronomer.

Gave definitive solutions to the general linear equation, and also the general quadratic equation.

Best known for the Brahmagupta-Fibonacci Identity.

Nationality

Indian

History

• Born: 598
• Died: 668

Theorems

• Brahmagupta Interpolation Formula
• Brahmagupta-Fibonacci Identity (with Leonardo Fibonacci) (also known as Diophantus's Identity)
• Brahmagupta Theorem
• Brahmagupta's Formula (also known as Archimedes-Heron-Brahmagupta Formula, with Archimedes of Syracuse and Heron of Alexandria)

• He can also be said to have provided the groundwork for the later Chakravala Method for solving indeterminate quadratic equations.

Results named for Brahmagupta can be found here.

Publications

• 628: Brahmasphutasiddhanta (The Opening of the Universe or The Revised System of Brahma)
• 665: Khandakhadyaka

Sources

• John J. O'Connor and Edmund F. Robertson: "Brahmagupta": MacTutor History of Mathematics archive

• 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): A List of Mathematicians in Chronological Sequence
• 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): A List of Mathematicians in Chronological Sequence
• 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): Brahmagupta (c. 598-c. 665)
• 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): Brahmagupta (c.598-c.665)
• 2008: Ian Stewart: Taming the Infinite ... (previous) ... (next): Chapter $3$: Notations and Numbers: Brahmagupta, Mahavira and Bhaskara
• 2014: Christopher Clapham and James Nicholson: The Concise Oxford Dictionary of Mathematics (5th ed.) ... (previous) ... (next): Brahmagupta (about 598-665)