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

Find the radius of convergence of sum from 1 to n of

1/(n^n) * x^(2^n)

2. Relevant equations

3. The attempt at a solution

Clearly ratio test isn't going to work straight away. I'm not sure how to deal with the 2^n exponent

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# Tricky series radius of convergence question (analysis course)

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