**Transcription for Educational Website:** --- **Task 4:** Write a set using roster notation. - The set of letters in the word "indistinguishability" **Note:** Roster notation means 'to list all elements of the set properly.' **Extra:** Present two different solutions of this problem; state the rationale for each. --- **Task 5:** Given: - \( U = \{ x | x \in \mathbb{N}, x < 40 \} \) - \( A = \{ x | x \in \mathbb{N}, x \text{ is a composite number}, x < 40 \} \) Find \( \bar{A} \) and present it in roster notation. **Note:** \( \bar{A} \) means 'complement to \( A \)'; recall composite numbers and prime numbers. **Extra:** Find a complement to \( A \). --- **Footer:** Empire State College Prof. Stern College Mathematics Fall 2020 Page 1 of 2 ---
**Transcription for Educational Website:** --- **Task 4:** Write a set using roster notation. - The set of letters in the word "indistinguishability" **Note:** Roster notation means 'to list all elements of the set properly.' **Extra:** Present two different solutions of this problem; state the rationale for each. --- **Task 5:** Given: - \( U = \{ x | x \in \mathbb{N}, x < 40 \} \) - \( A = \{ x | x \in \mathbb{N}, x \text{ is a composite number}, x < 40 \} \) Find \( \bar{A} \) and present it in roster notation. **Note:** \( \bar{A} \) means 'complement to \( A \)'; recall composite numbers and prime numbers. **Extra:** Find a complement to \( A \). --- **Footer:** Empire State College Prof. Stern College Mathematics Fall 2020 Page 1 of 2 ---
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:**Transcription for Educational Website:**
---
**Task 4:**
Write a set using roster notation.
- The set of letters in the word "indistinguishability"
**Note:** Roster notation means 'to list all elements of the set properly.'
**Extra:** Present two different solutions of this problem; state the rationale for each.
---
**Task 5:**
Given:
- \( U = \{ x | x \in \mathbb{N}, x < 40 \} \)
- \( A = \{ x | x \in \mathbb{N}, x \text{ is a composite number}, x < 40 \} \)
Find \( \bar{A} \) and present it in roster notation.
**Note:** \( \bar{A} \) means 'complement to \( A \)'; recall composite numbers and prime numbers.
**Extra:** Find a complement to \( A \).
---
**Footer:**
Empire State College
Prof. Stern
College Mathematics
Fall 2020
Page 1 of 2
---
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