ALGEBRA

Algebra is one of the broad parts of mathematics, together with number theory, geometry and analysis. Algebra arose from the idea that one can perform operations of arithmetic with non-numerical mathematical objects.[2] At the beginning of algebra, and at elementary level, these objects are variables representing either numbers that are not yet known (unknowns) or unspecified numbers (indeterminates or parameters). This allows one to state and prove properties that are true no matter which specific numbers are involved. More generally, these objects may have various basic properties, and, presently, algebra is divided in several subareas which include linear algebra, group theory, ring theory and combinatorics (see below for more subareas). Elementary algebra is the part of algebra that is usually taught in elementary courses of mathematics. Abstract algebra is a name usually given to the study of the algebraic structures (such as groups, rings, fields and algebras) themselves. Algebra is also the name of various specific mathematical structures occurring in algebra. To distinguish between the meanings of the word, see below. The adjective "algebraic" usually means relation to algebra, as in "algebraic structure". For historical reasons, it may also mean relation with the roots of polynomial equations, like in algebraic number, algebraic extension or algebraic expression. This comes from the fact that, until the end of 19th century, algebra was essentially the same area as the theory of equations. A witness of that is the fundamental theorem of algebra, which nowadays is not considered as belonging to algebra.

#Algebra

Note by Akash Dhasmana
7 years, 4 months ago

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Comments

algebra is very important

akash dhasmana - 7 years, 4 months ago
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