Problem 2. Suppose A and B are closed subsets of R. Show that An B and...

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Problem 2. Suppose A and B are closed subsets of R. Show that An B and AUB are closed.

math Advanced-Math

Answer 1

Answer #1

A,B one closed a Ae, Be are oper. Then, Acube , acnose are open Non, Acube =(AnB) e acnB=(Aube implies, And , AuB are closed,

Answer 2

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