Determine Whether the Sequence Is Arithmetic $n$ Begins with 1 $$a _ { n } = - \left( \frac { 1 } { 6 } \right) ^ { n }$$

question 105

Multiple Choice

Determine whether the sequence is arithmetic. If so, find the common difference. (Assume that $n$ begins with 1.)
$$a _ { n } = - \left( \frac { 1 } { 6 } \right) ^ { n }$$

• A) \(- 1\)
• B) 6
• C) \(\frac { 1 } { 6 }\)
• D) 1
• E) not arithmetic

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