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A mathematical symbol is a figure or a combination of figures that is used to represent a mathematical object, an action on mathematical objects, a relation between mathematical objects, or for structuring the other symbols that occur in a formula. As formulas are entirely constituted with symbols of various types, many symbols are needed for ...
—Omar Khayyam In effect, Khayyam's work is an effort to unify algebra and geometry. : 241 This particular geometric solution of cubic equations was further investigated by M. Hachtroudi and extended to solving fourth-degree equations. Although similar methods had appeared sporadically since Menaechmus, and further developed by the 10th-century mathematician Abu al-Jud, : 29 : 110 Khayyam's ...
The history of mathematics deals with the origin of discoveries in mathematics and the mathematical methods and notation of the past. Before the modern age and the worldwide spread of knowledge, written examples of new mathematical developments have come to light only in a few locales. From 3000 BC the Mesopotamian states of Sumer, Akkad and ...
The Urdu Wikipedia (Urdu: اردو ویکیپیڈیا), started in January 2004, is the Standard Urdu-language edition of Wikipedia, a free, open-content encyclopedia. [1] [2] As of 13 August 2024, it has 209,091 articles, 183,229 registered users and 12,665 files, and it is the 54th largest edition of Wikipedia by article count, and ranks 20th in terms of depth among Wikipedias with over ...
Al-Andalus[ a] ( Arabic: الأَنْدَلُس) was the Muslim -ruled area of the Iberian Peninsula. The term is used by modern historians for the former Islamic states in modern-day Gibraltar, Portugal, Spain, and Southern France. The name describes the different Muslim [ 1][ 2] states that controlled these territories at various times ...
Bangladesh, [a] officially the People's Republic of Bangladesh, [b] is a country in South Asia.It is the eighth-most populous country in the world and is among the most densely populated countries with a population of nearly 170 million in an area of 148,460 square kilometres (57,320 sq mi).
There were hierarchies among the performing artists, and the tawaifs were at the top, a class distinct from street performers and prostitutes. (A Tawaif is a dancer, not a prostitute.) Tawaif kothas, where the tawaifs often lived and performed, would host meetings of local intelligentsia, presided mostly by the most senior tawaif of the kotha.
Water stress is the ratio of water use relative to water availability and is therefore a demand-driven scarcity. [ 1] Water scarcity (closely related to water stress or water crisis) is the lack of fresh water resources to meet the standard water demand. There are two type of water scarcity. One is physical.