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

Prove that if a_n>or equal to 0, and sum(a_n) converges, then sum(a_n)^2 also converges.

3. The attempt at a solution

The only example I can think of is 1/(n^p) where p is any exponent greater than 1. Are there any other examples that I can use or do I only need to use this example to prove it?

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# Homework Help: Proof by Example?

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