1
$\begingroup$

Does $$f(z)=\displaystyle \sum_{n=0}^{\infty} \frac{2^n+n^2}{3^n+n^3}z^n$$ converge for $z=\frac{-3}{2}$?

  • 0
    In general, text should not go between dollars.2012-06-13
  • 0
    Is this a homework question?2012-06-13
  • 0
    no, I'm studying for GRE test.... I'm trying using Abel's test but I need to clarify this answer2012-06-13
  • 0
    it would be better if you put your solution here and ask for the clarification2012-06-13
  • 0
    To be clear, this is a subquestion of the [OP's previous queston](http://math.stackexchange.com/questions/156280/when-does-sum-n-0-infty-frac2nn23nn3zn-converge)2012-06-13

2 Answers 2