Find the first 5 terms of the sequence from the recurrence relation. Given: • a, = 5, • az = 6, • a, = an-1+ 4an-2 %3D a (5, 6, 26, 50, 152) b (5, 6, 26, 50, 154} (5, 6, 26, 51, 154) {5, 6, 27, 50, 154}

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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**Problem Statement:**

Find the first 5 terms of the sequence from the recurrence relation. Given:

- \( a_0 = 5 \),
- \( a_1 = 6 \),
- \( a_n = a_{n-1} + 4a_{n-2} \)

**Options:**

- a) \(\{5, 6, 26, 50, 152\}\)
- b) \(\{5, 6, 26, 50, 154\}\)
- c) \(\{5, 6, 26, 51, 154\}\)
- d) \(\{5, 6, 27, 50, 154\}\) 

**Explanation:**

You need to generate the terms of the sequence using the given recurrence relation. Start with the initial values \( a_0 = 5 \) and \( a_1 = 6 \), then use the formula \( a_n = a_{n-1} + 4a_{n-2} \) to calculate the subsequent terms.

1. \( a_0 = 5 \)
2. \( a_1 = 6 \)
3. Calculate \( a_2 \):  
   \( a_2 = a_1 + 4a_0 = 6 + 4 \times 5 = 6 + 20 = 26 \)
4. Calculate \( a_3 \):  
   \( a_3 = a_2 + 4a_1 = 26 + 4 \times 6 = 26 + 24 = 50 \)
5. Calculate \( a_4 \):  
   \( a_4 = a_3 + 4a_2 = 50 + 4 \times 26 = 50 + 104 = 154 \)

Based on the above calculations, the correct sequence is:

- b) \(\{5, 6, 26, 50, 154\}\)
Transcribed Image Text:**Problem Statement:** Find the first 5 terms of the sequence from the recurrence relation. Given: - \( a_0 = 5 \), - \( a_1 = 6 \), - \( a_n = a_{n-1} + 4a_{n-2} \) **Options:** - a) \(\{5, 6, 26, 50, 152\}\) - b) \(\{5, 6, 26, 50, 154\}\) - c) \(\{5, 6, 26, 51, 154\}\) - d) \(\{5, 6, 27, 50, 154\}\) **Explanation:** You need to generate the terms of the sequence using the given recurrence relation. Start with the initial values \( a_0 = 5 \) and \( a_1 = 6 \), then use the formula \( a_n = a_{n-1} + 4a_{n-2} \) to calculate the subsequent terms. 1. \( a_0 = 5 \) 2. \( a_1 = 6 \) 3. Calculate \( a_2 \): \( a_2 = a_1 + 4a_0 = 6 + 4 \times 5 = 6 + 20 = 26 \) 4. Calculate \( a_3 \): \( a_3 = a_2 + 4a_1 = 26 + 4 \times 6 = 26 + 24 = 50 \) 5. Calculate \( a_4 \): \( a_4 = a_3 + 4a_2 = 50 + 4 \times 26 = 50 + 104 = 154 \) Based on the above calculations, the correct sequence is: - b) \(\{5, 6, 26, 50, 154\}\)
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