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Question Number 191786 by Mastermind last updated on 30/Apr/23
Ques.1(MetricSpaceQuestion) LetX=ρ∞bethesetofall boundedsequencesofcomplex numbers.Thatiseveryelementof ρ∞isacomplexsequencex−={x−}k=1∞ such∣xi∣<Kx−,i=1,2,3,...whereKx isarealnumberwhichmaydefine onxforanarbitraryx−={xi}i=1∞and y−={yi}i=1∞inρ∞wedefineas d∞(x,y)=Sup∣xi−yi∣,Verifythat d∞isametriconρ∞.
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