Question: Let (M. d) be a metric space and A, B be two subsets of M. Show that cl(An B) C cl(A) cl(B). Is it

Let (M. d) be a metric space and A, B be two

Let (M. d) be a metric space and A, B be two subsets of M. Show that cl(An B) C cl(A) cl(B). Is it always true that cl(An B) = cl(A) nd(B)?

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