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Since taking the square root is the same as raising to the power 1 / 2 , the following is also an algebraic expression: 1 − x 2 1 + x 2 {\displaystyle {\sqrt {\frac {1-x^{2}}{1+x^{2}}}}} An algebraic equation is an equation involving polynomials , for which algebraic expressions may be solutions .
The ring of 2×2 matrices with integer entries does not satisfy the zero-product property: if = and = (), then = () = =, yet neither nor is zero. The ring of all functions f : [ 0 , 1 ] → R {\displaystyle f:[0,1]\to \mathbb {R} } , from the unit interval to the real numbers , has nontrivial zero divisors: there are pairs of functions which ...
In algebra, an algebraic fraction is a fraction whose numerator and denominator are algebraic expressions.Two examples of algebraic fractions are + and +.Algebraic fractions are subject to the same laws as arithmetic fractions.
x 2 +2x+3 is a parabolic asymptote to ... but its highest order term gives the linear factor x with multiplicity 4, leading to the unique asymptote x=0. ...
[2] A root of a polynomial is a zero of the corresponding polynomial function . [ 1 ] The fundamental theorem of algebra shows that any non-zero polynomial has a number of roots at most equal to its degree , and that the number of roots and the degree are equal when one considers the complex roots (or more generally, the roots in an ...
Ramanujan's constant is the transcendental number [5], which is an almost integer: [6] = … +. This number was discovered in 1859 by the mathematician Charles Hermite. [7] In a 1975 April Fool article in Scientific American magazine, [8] "Mathematical Games" columnist Martin Gardner made the hoax claim that the number was in fact an integer, and that the Indian mathematical genius Srinivasa ...
Given a polynomial P ∈ F[X], there is associated to it a companion matrix C P whose characteristic polynomial and minimal polynomial are both equal to P. Theorem: Let V be a finite-dimensional vector space over a field F, and A a square matrix over F. Then V (viewed as an F[X]-module with the action of X given by A) admits a F[X]-module ...
The case α = 1 gives the series 1 + x + x 2 + x 3 + ..., where the coefficient of each term of the series is simply 1. The case α = 2 gives the series 1 + 2x + 3x 2 + 4x 3 + ..., which has the counting numbers as coefficients. The case α = 3 gives the series 1 + 3x + 6x 2 + 10x 3 + ..., which has the triangle numbers as coefficients.