which values for 'a' will make series convergent or divergent? \begin{eqnarray*} {\displaystyle\sum_{k=1}^{\infty} } \ & & \frac{1}{(2k+1)ln^a(2k+1)}\ \end{eqnarray*}
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closed as off topic by Qiaochu Yuan, Andres Caicedo, Tony Huynh, Didier Piau, fedja May 15 2011 at 14:48 |

