Wrote the laws of optics
Delineated methods of oppression & competition
Presented the first systemic solution of linear and quadratic equations
None of these given options
Muhammad ibn Musa al-Khwarizmi (c. 780 – c. 850), or simply al-Khwarizmi, was a Persian polymath who produced vastly influential Arabic-language works in mathematics, astronomy, and geography. Around 820 CE, he was appointed as the astronomer and head of the House of Wisdom in Baghdad, the contemporary capital city of the Abbasid Caliphate. His popularizing treatise on algebra, compiled between 813–833 as Al-Jabr (The Compendious Book on Calculation by Completion and Balancing), presented the first systematic solution of linear and quadratic equations. One of his achievements in algebra was his demonstration of how to solve quadratic equations by completing the square, for which he provided geometric justifications.
- The word for “Algebra” comes from the Arabic word for “al-jabr” which means.
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