Determine Whether the Series Is Absolutely Convergent, Conditionally Convergent, or Divergent

Multiple Choice

Determine whether the series is absolutely convergent, conditionally convergent, or divergent. $\sum _ { n = 1 } ^ { \infty } \frac { ( - 1 ) ^ { n } \arctan n } { n ^ { 4 } }$

A) conditionally convergent
B) absolutely convergent
C) divergent