Choose the correct answer. Write the letter of your answer on your answer sheet. 1. Find the first four terms of the sequence whose nth term is a, = 2 + 3n. A. 5, 7,9, 11 В. -1, -4, -7, -11 С. 5, 8, 11, 14 D. 2, 5, 8, 11 2. What is the general term of 1, 3, 6, 10, 15? В. n? - 1 A. 2n – 1 n'+1 С. D. n(n+1) 3. What is the 10th term of the sequence n+2n-3 whose nth term is a, = n+1 A. 117/11 В. 123/11 С. 11 D. 13 4. Which of the following illustrates arithmetic sequence? А. 1, 1, 2, 3, 5, 8 В. 2, 4, 8, 16, 32 С. 10, 8, 6, 4, 2, D. 3, -3, 3, -3, 3 5. What is the 100th term of the arithmetic sequence 8, 12, 16, 20...? А. 108 В. 396 С. 404 D. 408
Choose the correct answer. Write the letter of your answer on your answer sheet. 1. Find the first four terms of the sequence whose nth term is a, = 2 + 3n. A. 5, 7,9, 11 В. -1, -4, -7, -11 С. 5, 8, 11, 14 D. 2, 5, 8, 11 2. What is the general term of 1, 3, 6, 10, 15? В. n? - 1 A. 2n – 1 n'+1 С. D. n(n+1) 3. What is the 10th term of the sequence n+2n-3 whose nth term is a, = n+1 A. 117/11 В. 123/11 С. 11 D. 13 4. Which of the following illustrates arithmetic sequence? А. 1, 1, 2, 3, 5, 8 В. 2, 4, 8, 16, 32 С. 10, 8, 6, 4, 2, D. 3, -3, 3, -3, 3 5. What is the 100th term of the arithmetic sequence 8, 12, 16, 20...? А. 108 В. 396 С. 404 D. 408
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:**Choose the correct answer. Write the letter of your answer on your answer sheet.**
1. **Find the first four terms of the sequence whose nth term is \( a_n = 2 + 3n \).**
A. 5, 7, 9, 11
B. -1, -4, -7, -11
C. 5, 8, 11, 14
D. 2, 5, 8, 11
2. **What is the general term of 1, 3, 6, 10, 15?**
A. \( 2n - 1 \)
B. \( n^2 - 1 \)
C. \( \frac{n^2 + 1}{n} \)
D. \( \frac{n(n+1)}{2} \)
3. **What is the 10th term of the sequence whose nth term is \( a_n = \frac{n^2 + 2n - 3}{n+1} \)?**
A. \( \frac{117}{11} \)
B. \( \frac{123}{11} \)
C. 11
D. 13
4. **Which of the following illustrates arithmetic sequence?**
A. 1, 1, 2, 3, 5, 8
B. 2, 4, 8, 16, 32
C. 10, 8, 6, 4, 2
D. 3, -3, 3, -3, 3
5. **What is the 100th term of the arithmetic sequence 8, 12, 16, 20...?**
A. 108
B. 396
C. 404
D. 408
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