12. If an+2 = an+1 + an and a0 = 0, a1 = 1, then a20= Group of answer choices 6,765 7,143 5,828 8,216 13. What is the maximum number of edges for a simple graph with 9 vertices? Group of answer choices 32 40 28 36

12. If an+2 = an+1 + an and a0 = 0, a1 = 1, then a20= Group of answer choices 6,765 7,143 5,828 8,216 13. What is the maximum number of edges for a simple graph with 9 vertices? Group of answer choices 32 40 28 36

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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Question

12. If a_n+2 = a_n+1 + a_n and a₀ = 0, a₁ = 1, then a₂₀=

Group of answer choices

6,765

7,143

5,828

8,216

13. What is the maximum number of edges for a simple graph with 9 vertices?

Group of answer choices

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