Determine If the Series Converges or Diverges; If the Series $$\sum _ { n = 0 } ^ { \infty } \frac { \cos n \pi } { 7 ^ { n } }$$

question 81

Multiple Choice

Determine if the series converges or diverges; if the series converges, find its sum.
- $$\sum _ { n = 0 } ^ { \infty } \frac { \cos n \pi } { 7 ^ { n } }$$

• A) Converges; \(\frac { 7 } { 6 }\)
• B) Converges; \(\frac { 1 } { 6 }\)
• C) Converges; \(\frac { 7 } { 8 }\)
• D) Diverges

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