Vector Space


Definition : A vector space is a nonempty set V with two operation (addition, scalar, multiplication ) that satisfy the following conditions: 


1)u+vbelongsVwheneveru,vbelongsV2)u+v=v+uforallu,vbelongsV3)(u+v)+w=u+(v+w)forallu,v,wbelongsV4)Thereexists0vbelongsVsuchthat0v+u=u5)forallubelongsV,thereexists(u)belongsVsuchthatu+(u)=0v6)kubelongsVforallkbelongsFandubelongsV(F=realsOrcomplex)7)k(u+v)=ku+kv,kbelongsF,u,vbelongsV.8)(k1+k2)u=k1u+k2u,k1,k2belongsF,ubelongsV9)k1(k2u)=(k1k2)u10)1u=u

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