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Let A be a non-empty subset of a metric space (X, d). Define the function f:X ?R by f(x) = d(x, A). Prove that fis
Let A be a non-empty subset of a metric space (X, d). Define the function f:X ?R by f(x) = d(x, A). Prove that fis continuous.
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Concepts In Analysis Geometry
Authors: J K Kashyap
1st Edition
9353146453, 9789353146450
