Suppose {f,} is a sequence in Banach space B s.t. |[fn - fn=i|l s /2-). Show that the sequence {f,} is convergent in B.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.1: Infinite Sequences And Summation Notation
Problem 72E
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Suppose {f,} is a sequence in Banach space B s.t. |[f, - fn+1|| <'/2-). Show that the sequence {f,} is convergent in B.
Transcribed Image Text:Suppose {f,} is a sequence in Banach space B s.t. |[f, - fn+1|| <'/2-). Show that the sequence {f,} is convergent in B.
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