Find the closures of the following sets

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Reference no: EM13709285

1. Find the closures of the following sets:
a). {1/n: n is a natural number}
b).Q, the set of rational numbers
c). {rEQ: r^2<2}

2. Show that the interior of each of the following sets is the empty set.
a). {1/n :nEN}
b).Q, the set of rational numbers

Reference no: EM13709285

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