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Let (M, d) be a metric space. Let \(x\in M\). Then \(\{x\}^{c}\) is

A) open
B) closed
C) not open
D) half-open

Correct Answer:

A) open

Description for Correct answer:
\(\{ x \}^{c}\) is open

\(\{ x \}\) is closed

Part of solved Real Analysis questions and answers : >> Elementary Mathematics >> Real Analysis

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