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The golden ratio's negative −φ and reciprocal φ−1 are the two roots of the quadratic polynomial x2 + x − 1. The golden ratio is also an algebraic number and even an algebraic integer. It has minimal polynomial. x x. This quadratic polynomial has two roots, and.
Fibonacci sequence. In mathematics, the Fibonacci sequence is a sequence in which each number is the sum of the two preceding ones. Numbers that are part of the Fibonacci sequence are known as Fibonacci numbers, commonly denoted Fn . The sequence commonly starts from 0 and 1, although some authors start the sequence from 1 and 1 or sometimes ...
The number (; spelled out as " pi ") is a mathematical constant that is the ratio of a circle 's circumference to its diameter, approximately equal to 3.14159. The number π appears in many formulae across mathematics and physics.
Ethnologue (2023) The following languages are listed as having 45 million or more total speakers in the 26th edition of Ethnologue published in 2023. [4] This section does not include entries that Ethnologue identifies as macrolanguages encompassing all their respective varieties, such as Arabic, Lahnda, Persian, Malay, Pashto, and Chinese .
On November 22, 1963, John F. Kennedy, the 35th president of the United States, was assassinated while riding in a presidential motorcade through Dealey Plaza in Dallas, Texas. Kennedy was in the vehicle with his wife, Jacqueline, Texas Governor John Connally, and Connally's wife, Nellie, when he was fatally shot from the nearby Texas School ...
1985 (9th Session) Hagia Sophia ( lit. ' Holy Wisdom '; Turkish: Ayasofya; Greek: Ἁγία Σοφία, romanized :Hagía Sofía; Latin: Sancta Sapientia ), officially the Hagia Sophia Grand Mosque (Turkish: Ayasofya-i Kebir Cami-i Şerifi ), [3] is a mosque and former church serving as a major cultural and historical site in Istanbul, Turkey.
The Crusades were a series of religious wars initiated, supported, and sometimes directed by the Christian Latin Church in the medieval period.The best known of these military expeditions are those to the Holy Land in the period between 1095 and 1291 that had the objective of reconquering Jerusalem and its surrounding area from Muslim rule after the region had been conquered by the Rashidun ...
18th Dynasty. Tutankhamun [a] or Tutankhamen [b] ( c.1341 BC – c. 1323 BC ), was an ancient Egyptian pharaoh who ruled c.1332 – 1323 BC during the late Eighteenth Dynasty of ancient Egypt. Born Tutankhaten, he was likely a son of Akhenaten, thought to be the KV55 mummy. His mother was identified through DNA testing as The Younger Lady ...