(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

show that the following sequence is unbounded

{xn}= [(n+1)/n]^3 - n^3

2. Relevant equations

3. The attempt at a solution

I expanded it but didnt get anywhere after that. I know that a sequence is unbounded if for all M>0 there exists N such that abs(xN)>M but i still dont understand how to show it.

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# Homework Help: Unbounded sequence

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