📚 Practice Mode
Metric Spaces
Learn at your own pace with hints and detailed explanations
1 / 14
Multiple Choice
Let (X, d) be a metric space. Which of the following statements is true?
- The distance between any two points in X is always positive.
- The distance between any two points in X is always non-negative.
- The distance between any two points in X is always zero.
- The distance between any two points in X is always negative.