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

Hey.

I need to develop this function into Maclaurin series and to find the radius of converges, did I do it right?

And another thing, does the series (-1)^n from 1 to infinity (I know, my latex rocks) converges ? I'm pretty sure it's not.

2. Relevant equations

3. The attempt at a solution

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# Find the radius of converges

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