colexie3096 colexie3096
  • 11-03-2024
  • Mathematics
contestada

Find a sequence xₙ such that for every y ∈ ℝ, there exists a subsequence xₙi converging to y.
a) xₙ = n
b) xₙ = (-1)ⁿ
c) xₙ = 1n
d) xₙ = cos(n)

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