Question: Problem 2: (a) If K1 and K2 are compact subsets of R, show that K1 U K2 is also compact. (b) Find an infinite collection

Problem 2: (a) If K1 and K2 are compact subsets of R, show that K1 U K2 is also compact. (b) Find an infinite collection K1, K2, K3, ... of compact sets whose union U _ Kn is not compact

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