(a) Decide whether or not there is a simple graph with degree sequence [0, 1, 1, 1, 1, 2].
(a) Decide whether or not there is a simple graph with degree sequence [0, 1, 1, 1, 1, 2].
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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![5. (a) Decide whether or not there is a simple graph with degree sequence [0, 1, 1, 1, 1, 2].
You must justify your answer.
(b) In how many ways can each of 7 students exchange email with precisely 3 of the 7?
You must justify your answer.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa685ae43-1077-4196-9945-72cac3641a58%2F510634aa-9f06-4fe8-b11e-6b04a0fb451c%2Fsbyyx7_processed.png&w=3840&q=75)
Transcribed Image Text:5. (a) Decide whether or not there is a simple graph with degree sequence [0, 1, 1, 1, 1, 2].
You must justify your answer.
(b) In how many ways can each of 7 students exchange email with precisely 3 of the 7?
You must justify your answer.
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