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Statement of a problem â„– m58926

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Find all cluster points of each of the following sets. a) E = RQ b) E = [a, b), a, b ∈ R, a < b c) E = {(-1)nn : n ∈ N} d) E = {xn : n ∈ N}, where xn → x as n → ∞ e) E = {l, 1, 2, 1, 2, 3, 1, 2, 3, 4,...}




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