A property of polynomials


APROPERTYOFPOLYNOMIALS

Let f(x)             be a polynomialMathworldPlanetmathPlanetmathPlanetmath in x where xandthecoefficients a)areintegers, b) x isasquarematrixandk.5inisanaturalnumber. Theproperty: f(x+k*f(x))iscongruentto0modf(x).Proof:

$    Thereisnolossofgeneralityintakingk=1.ByTaylorstheoremwegetf(x+f(x))=f(x)+f(x)f(x)+(f(x)2)/2f′′(x)+(f(x)3)/3!f′′′(x).=f(x)1+f(x)+f(x)/2*f′′(x)+f(x)2/3!..i.e.f(x+f(x))iscongruentto0(mod(f(x))).TitleA property of polynomialsCanonical nameAPropertyOfPolynomialsDate of creation2013-03-22 19:34:45Last modified on2013-03-22 19:34:45Ownerakdevaraj (13230)Last modified byakdevaraj (13230)Numerical id17Authorakdevaraj (13230)Entry typeDefinitionClassificationmsc 11C08