Identify the most appropriate test to be used to determine whether the series $\sum _ { n = 1 } ^ { \infty } \frac { \cos n } { 6 ^ { n } }$ converges or diverges.
A) Limit Comparison Test with $b _ { n } = \frac { 1 } { 6 ^ { n } }$
B) Direct Comparison Test with $b _ { \mathrm { n } } = \frac { 1 } { 6 ^ { n } }$
C) Alternating Series Test
D) Root Test
E) Ratio Test

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The Answer of Identify the most appropriate test to be used to determine whether the series $\sum _ { n = 1 } ^ { \infty } \frac { \cos n } { 6 ^ { n } }$ converges or diverges.
A) Limit Comparison Test with $b _ { n } = \frac { 1 } { 6 ^ { n } }$
B) Direct Comparison Test with $b _ { \mathrm { n } } = \frac { 1 } { 6 ^ { n } }$
C) Alternating Series Test
D) Root Test
E) Ratio Test

Identify the Most Appropriate Test to Be Used to Determine ∑n=1∞cos⁡n6n\sum _ { n = 1 } ^ { \infty } \frac { \cos n } { 6 ^ { n } }∑n=1∞​6ncosn​

Identify the Most Appropriate Test to Be Used to Determine $\sum _ { n = 1 } ^ { \infty } \frac { \cos n } { 6 ^ { n } }$