Analytical solutions to quadratic equations were introduced by ______.
Q1. Analytical solutions to quadratic equations were introduced by ______.
Answer: Al-Khwarizmi
Explanation: Al-Khwarizmi, the 9th-century Persian mathematician, systematically presented methods for solving quadratic equations in his foundational work "Al-Kitab al-mukhtasar fi hisab al-jabr wal-muqabala."