Question: 3. Consider the metric space (R2, d) where d = lan - y1| + |x2 -92). Use the definition of compactness to prove that the

3. Consider the metric space (R2, d) where d = lan

3. Consider the metric space (R2, d) where d = lan - y1| + |x2 -92). Use the definition of compactness to prove that the set S= {(x1, 12) ( R3 : +2,

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