# 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

- 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*) - 665:
*Khandakhadyaka*

## Sources

- 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 - 2008: Ian Stewart:
*Taming the Infinite*... (previous) ... (next): Chapter $3$: Notations and Numbers - 2014: Christopher Clapham and James Nicholson:
*The Concise Oxford Dictionary of Mathematics*(5th ed.) ... (previous) ... (next): Entry:**Brahmagupta**(about 598-665)