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Fruit can also be found there
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-1/2,+1/3,-1/4,+1/5,-1/6,.
(1) What is the number 2008 in this column? If this column is infinite, which number will be closer to?
(1) General term: a = [(- 1) ^ n] / (n + 1)
Answer: 1 / 2009
(2)lim [(-1)^n]/(n+1)=0