alleryThe open interval (a, b) leaves out:
AThe middle point
BNothing at all
CBoth end points
DAll the points
Answer & Solution
Correct answer: C. Both end points
1. An open interval takes points strictly between a and b.
2. The points a and b themselves are not included.
3. So both end points are left out.
_Source: syllabus Mathematics, Chapter 1, Sets._
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