Let (X, d) be a metric space. Suppose that (xn) is a sequence of points in X which converges to a point x E X, and (yn) is a sequence of points in X which converges to a point y E X. Prove that the sequence of real numbers, d(xn, Yn) coverges to d(x, y).

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ISBN:9780470458365
Author:Erwin Kreyszig
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**Convergence of Sequences in a Metric Space**

Let \((X, d)\) be a metric space. Suppose that \((x_n)\) is a sequence of points in \(X\) which converges to a point \(x \in X\), and \((y_n)\) is a sequence of points in \(X\) which converges to a point \(y \in X\). Prove that the sequence of real numbers, \(d(x_n, y_n)\) converges to \(d(x, y)\).
Transcribed Image Text:**Convergence of Sequences in a Metric Space** Let \((X, d)\) be a metric space. Suppose that \((x_n)\) is a sequence of points in \(X\) which converges to a point \(x \in X\), and \((y_n)\) is a sequence of points in \(X\) which converges to a point \(y \in X\). Prove that the sequence of real numbers, \(d(x_n, y_n)\) converges to \(d(x, y)\).
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