Convergent subsequences, If A and U are two subsets of a

Convergent subsequences

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Reference no: EM13133117

1. If A and U are two subsets of a normed vector space, and U is open, show that A+U is open. Here A+U={a+u | a belongs to A and u belongs to U}.

2. Suppose {xn} from n=p to infinity is a non-converging subsequence in a compact set of a metric space. Show that it has two convergent subsequences which converge to distinct limit points.

Reference no: EM13133117

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