My Math Forum Root test for convergence

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 May 1st, 2018, 11:15 PM #1 Newbie   Joined: May 2018 From: south africa Posts: 10 Thanks: 0 Root test for convergence Can someone assist me in solving this? "Use te nth-root test to find the conditions on the constant α in order that the series $\displaystyle \sum _{n=1}^{\infty \:}\left(\frac{αn}{αn+1}\right)^{n^2}i^n$ is absolutely convergent[/QUOTE] Last edited by niemi; May 1st, 2018 at 11:31 PM. Reason: made a mistake with constant
 May 1st, 2018, 11:20 PM #2 Senior Member   Joined: Feb 2016 From: Australia Posts: 1,597 Thanks: 546 Math Focus: Yet to find out. What’s wrong with the first thread you started?
 May 1st, 2018, 11:33 PM #3 Newbie   Joined: May 2018 From: south africa Posts: 10 Thanks: 0 I made a mistake in the formula and could not edit as it was longer than 60min.

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