Abū al-Jūd, Muḥammad b. Aḥmad b. al-Layth was
an Iranian mathematician. He lived during 10th century and was
a contemporary of Al-Biruni.
Not much is known about
his life. He seems to have lived in the east of Khurasan,
within Samanid territory. Sa'id al-Andalusi claimed that he
lived in Valencia (Balansiya) and died in 1014 or 1015, but other sources
didn't mention these information. It is likely that he became a scribe after
acquiring basic knowledge on mathematics.
In the 10th century,
Abu al-Jud used conics to solve quartic and cubic
equations, a century before the more famous work of Omar
Khayyam, although his solution did not deal with all the cases.
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Mathematician
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