Mathematics · Real Analysis
Let E = (-√2, √2) ∩ &DoubleStruckCapitalQ;. Select the INCORRECT statement.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1E is compact in &DoubleStruckCapitalQ;✓
- 2E is not compact in &R;
- 3E is closed in &DoubleStruckCapitalQ;
- 4E is open in &DoubleStruckCapitalQ;
Correct answer
E is compact in &DoubleStruckCapitalQ;
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