Question: Let {an} be a sequence and L is any real number. Prove that {an} =1 converges to L if and only if every monotone subsequence of {an} converges to L .
Question: Let {an} be a sequence and L is any real number. Prove that {an} =1 converges to L if and only if every monotone subsequence of {an} converges to L .
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter2: The Integers
Section2.2: Mathematical Induction
Problem 55E: The Fibonacci sequence fn=1,1,2,3,5,8,13,21,... is defined recursively by f1=1,f2=1,fn+2=fn+1+fn for...
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Question: Let {an} be a sequence and L is any real number. Prove that {an} =1 converges to L if and only if every monotone subsequence of {an} converges to L .
Tip: prove the contrapositive by using a) in image, and the Bolzano-Weierstrass Theorem.
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