Find the General Term an of the Given Sequence $4 , - 2,1 , - \frac { 1 } { 2 } , \frac { 1 } { 4 }$

question 58

Multiple Choice

Find the general term an of the given sequence.
- $4 , - 2,1 , - \frac { 1 } { 2 } , \frac { 1 } { 4 }$

• A) \(a _ { n } = \frac { 1 } { 4 } ( - 2 ) ^ { n - 1 }\)
• B) \(a _ { n } = 4 \left( - \frac { 1 } { 2 } \right) ^ { n - 1 }\)
• C) \(a _ { n } = 4 \left( \frac { 1 } { 2 } \right) ^ { n - 1 }\)
• D) \(a _ { n } = 6 \left( - \frac { 1 } { 4 } \right) ^ { n - 1 }\)

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