Find all accumulation points of the following sets in R^2 with the usual
metric.
a) { (1/n+m , 1/n+1/m) : n, m ∈ N}
b) Q × Q
c) D (0,1) \ {(0,0)}
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Find all accumulation points of the following sets in R^2 with the usual
metric.
a) { (1/n+m , 1/n+1/m) : n, m ∈ N}
b) Q × Q
c) D (0,1) \ {(0,0)}