Select the collection of sets that forms a partitic
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:**Question:**
Select the collection of sets that forms a partition of \( R \).
**Options:**
1.
- \( \{ x \in R : x < 4 \} \)
- \( \{ x \in R : 2 \leq x \leq 4 \} \)
- \( \{ x \in R : 2 < x \} \)
2.
- \( \{ x \in R : x < 2 \} \)
- \( \{ x \in R : 2 \leq x < 4 \} \)
- \( \{ x \in R : 4 \leq x \} \)
3.
- \( \{ x \in R : x \leq 2 \} \)
- \( \{ x \in R : 2 < x < 4 \} \)
- \( \{ x \in R : 4 < x \} \)
4.
- \( \{ x \in R : x < 2 \} \)
- \( \{ x \in R : 2 < x < 4 \} \)
- \( \{ x \in R : 4 \leq x \} \)
**Explanation:**
Choose the correct partition from the options where each interval divides the set of real numbers \( R \) such that:
- Each subset is non-empty.
- The union of all subsets equals \( R \).
- Subsets are pairwise disjoint.
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