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Find the General Term an of the Given Sequence 4,2,1,12,144 , - 2,1 , - \frac { 1 } { 2 } , \frac { 1 } { 4 }

Question 58

Multiple Choice

Find the general term an of the given sequence.
- 4,2,1,12,144 , - 2,1 , - \frac { 1 } { 2 } , \frac { 1 } { 4 }


A) an=14(2) n1a _ { n } = \frac { 1 } { 4 } ( - 2 ) ^ { n - 1 }
B) an=4(12) n1a _ { n } = 4 \left( - \frac { 1 } { 2 } \right) ^ { n - 1 }
C) an=4(12) n1a _ { n } = 4 \left( \frac { 1 } { 2 } \right) ^ { n - 1 }
D) an=6(14) n1a _ { n } = 6 \left( - \frac { 1 } { 4 } \right) ^ { n - 1 }

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