Determine all the accumulation point.

  • Thread starter furi0n
  • Start date
  • #1
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I've faced with some problem in Math. Analysis books of Tom Apostol,
For example, (-1)n+ 1/m, n,m=1,2,3,4,5....

i think there is no accumulation point but how should i prove this?

thanks for your helps...
 

Answers and Replies

  • #2
mathman
Science Advisor
7,876
452
Since the 1/m term -> 0, -1 and 1 are accumulation points.
 

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