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Subspace topology

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Consider the following subsets of (FUNCTION1) and (FUNCTION2). The subspaces X and Y of (SYMBOL) inherit the subspace topology. In the following cases determine the interior, the closure, the boundary and the limit points of the subsets:
1, 2 and 3

*(For complete problem, including properly cited functions and symbols, please see attachment)

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This shows how to determine the interior, the closure, the boundary and the limit points of given subsets.

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We consider the following subsets on .
, , , , .
The subspaces and inherit the subspace topology. Determine the interior, the closure, the boundary and the limit points of the following ...

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