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Mathematics 12 Online
OpenStudy (anonymous):

Suppose A is a subset of a metric space (X,d). Given: bd(A)=cl(A) ∩ cl(X\A) Given: bd(A)=cl(A) \int(A) Show that these are equivalent. That is, show A(subset)X, then cl(A)∩ cl(X\A)=cl(A)\ int(A). Note: int(A) stands for interior point of A cl(A) stands for closure bd(A) stands for boundary

OpenStudy (anonymous):

can youo help me again? please you explained it better then the others

OpenStudy (anonymous):

yes but is the problem i hope i can help

OpenStudy (anonymous):

what is the math problem you need help with.

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