For each of the following, carefully determine whether the series
converges or not.

**(a)**
** A. ** converges** B. ** diverges

**(b)**
** A. ** converges** B. ** diverges

**(c)**
** A. ** converges** B. ** diverges

**(d)**
** A. ** converges** B. ** diverges

You can earn partial credit on this problem.