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If one takes L to be the splitting field of X 3 − a over Q, where a is not a cube in the rational numbers, then L contains a subfield K with three cube roots of 1; that is because if α and β are roots of the cubic polynomial, we shall have (α/β) 3 =1 and the cubic is a separable polynomial. Then L/K is a Kummer extension.
[1] [2] Geography is an all-encompassing discipline that seeks an understanding of Earth and its human and natural complexities—not merely where objects are, but also how they have changed and come to be. While geography is specific to Earth, many concepts can be applied more broadly to other celestial bodies in the field of planetary science ...
Public expenditure health was at 8.9% of the GDP in 2004 whereas private expenditure was at 1.3%. [85] As of 2012, the HIV/AIDS prevalence was at 2.8% among 15- to 49-year-olds. [3] Health expenditure was at US$30 per capita in 2004. [85] A proportion of the population is undernourished, [85] and malnutrition is a problem in Congo. [87]
Massifs surrounding Senafe, Eritrea. Eritrea is located in the Horn of Africa and is bordered on the northeast and east by the Red Sea, on the west and northwest by Sudan, on the south by Ethiopia, and on the southeast by Djibouti.
[2] 1313 – King Thihathu founds the Pinya Kingdom as the de jure successor state of the Pagan Kingdom. [3] 1365 – Albert III of Mecklenburg (King Albert of Sweden) grants city rights to Ulvila (Swedish: Ulvsby). [4] [5] 1497 – In Florence, Italy, supporters of Girolamo Savonarola burn cosmetics, art, and books, in a "Bonfire of the ...