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Find the First 4 Terms of the Recursively Defined Sequence a1=2,an+1=(1)nana _ { 1 } = 2 , a _ { n } + 1 = \frac { ( - 1 ) ^ { n } } { a _ { n } }

Question 11

Multiple Choice

Find the first 4 terms of the recursively defined sequence.
- a1=2,an+1=(1) nana _ { 1 } = 2 , a _ { n } + 1 = \frac { ( - 1 ) ^ { n } } { a _ { n } }


A) 2,12,14,182 , - \frac { 1 } { 2 } , \frac { 1 } { 4 } , - \frac { 1 } { 8 }
B) 2,12,13,14- 2 , \frac { 1 } { 2 } , - \frac { 1 } { 3 } , \frac { 1 } { 4 }
C) 2,12,2,122 , - \frac { 1 } { 2 } , - 2 , \frac { 1 } { 2 }
D) 2,12,2,122 , - \frac { 1 } { 2 } , 2 , - \frac { 1 } { 2 }

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