Determine whether the series is absolutely convergent, conditionally convergent, or divergent. $\sum _ { n = 1 } ^ { \infty } \frac { ( - 1 ) ^ { n - 1 } n ^ { 7 } } { 8 ^ { n } }$

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The Answer of Determine whether the series is absolutely convergent, conditionally convergent, or divergent. $\sum _ { n = 1 } ^ { \infty } \frac { ( - 1 ) ^ { n - 1 } n ^ { 7 } } { 8 ^ { n } }$

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