Question

Suppose that every Cauchy sequence of X has a convergent subsequence in X. Show that X...

Suppose that every Cauchy sequence of X has a convergent subsequence in X. Show that X is complete.

Homework Answers

Answer #1

if you have any doubt please comment

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Prove that every bounded sequence has a convergent subsequence.
Prove that every bounded sequence has a convergent subsequence.
Prove that X is totally bounded if every sequence of X has a convergent subsequence. Please...
Prove that X is totally bounded if every sequence of X has a convergent subsequence. Please directly prove it without using any theorem on totally boundedness.
Show that sequence {sn} converges if it is monotone and has a convergent subsequence.
Show that sequence {sn} converges if it is monotone and has a convergent subsequence.
Exercise 2.4.5: Suppose that a Cauchy sequence {xn} is such that for every M ∈ N,...
Exercise 2.4.5: Suppose that a Cauchy sequence {xn} is such that for every M ∈ N, there exists a k ≥ M and an n ≥ M such that xk < 0 and xn > 0. Using simply the definition of a Cauchy sequence and of a convergent sequence, show that the sequence converges to 0.
Let (x_n) be a sequence in R. Are these true or false. If every subsequence of...
Let (x_n) be a sequence in R. Are these true or false. If every subsequence of (x_n) is Cauchy then (x_n) is Cauchy. If (x_n) is Cauchy and (y_n) is a bounded sequence, then (x_n y_n) is Cauchy. If ( |x_n| ) is Cauchy, then (x_n) is Cauchy.
Find an example of a sequence, {xn}, that does not converge, but has a convergent subsequence....
Find an example of a sequence, {xn}, that does not converge, but has a convergent subsequence. Explain why {xn} (the divergent sequence) must have an infinite number of convergent subsequences.
Suppose (an) is an increasing sequence of real numbers. Show, if (an) has a bounded subsequence,...
Suppose (an) is an increasing sequence of real numbers. Show, if (an) has a bounded subsequence, then (an) converges; and (an) diverges to infinity if and only if (an) has an unbounded subsequence.
show that a sequence of measurable functions (fn) converges in measure if and only if every...
show that a sequence of measurable functions (fn) converges in measure if and only if every subsequence of (fn) has subsequence that converges in measure
Let X = (xn) be a sequence in R^p which is convergent to x. Show that...
Let X = (xn) be a sequence in R^p which is convergent to x. Show that lim(||xn||) = ||x||. hint: use triange inequality
Prove that if a sequence converges to a limit x then very subsequence converges to x.
Prove that if a sequence converges to a limit x then very subsequence converges to x.