The New Encyclopędia Britannica: L-ZEncyclopędia Britannica, 1992 - 32 pages |
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Page 254
... multiplication , such that ( 1 ) with addition as the law of combination it forms an ad- ditive group , and ( 2 ) with multiplication is commutative and associative , and distributive over addition , is called a ring . It is because so ...
... multiplication , such that ( 1 ) with addition as the law of combination it forms an ad- ditive group , and ( 2 ) with multiplication is commutative and associative , and distributive over addition , is called a ring . It is because so ...
Page 283
... multiplication , and division subject to the usual rules ) , all complex numbers of the form x + yi = x + iy = x + y√ - 1 were considered more generally . It was decided to add and subtract these by the rules of adding and subtracting ...
... multiplication , and division subject to the usual rules ) , all complex numbers of the form x + yi = x + iy = x + y√ - 1 were considered more generally . It was decided to add and subtract these by the rules of adding and subtracting ...
Page 293
... multiplication of components ( see 317 ) . " • The n - tuples form a commutative group for this addition and , furthermore , a vector space over K ( see Linear alge- bra ) . The n - tuples are called a basis that are written with all ...
... multiplication of components ( see 317 ) . " • The n - tuples form a commutative group for this addition and , furthermore , a vector space over K ( see Linear alge- bra ) . The n - tuples are called a basis that are written with all ...
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20th century Abelian group addition aesthetic Afghanistan agriculture Albania alcohol algae algebra animals basin called central centre ceremonial climate coast common complex numbers Congo contains Cōte d'Ivoire countries crops cultivation culture dance defined desert developed drinking drug East eastern economic Egypt elements equations European example farm feet field Figure finite fish forest functor Igbo important Indians integers irrigation isomorphism Kabul Kenya Lake Lake Chad Lake Victoria land language lattice Lie algebra linear major mapping miles modern mountains Niger Nigeria Nile northern operations patterns percent period Plains plants Plateau polynomial population rainfall real numbers region ring ritual River Sahara savanna social soil South Africa southern Africa species subgroup Sudan Tanzania theory tion traditional tribes tropical United valley vector space vegetation village West Africa western x₁ Yoruba Zaire Zambia Zimbabwe