Let 𝐺 be an undirected graph, which is a path on 8 vertices. The number of…

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Let 𝐺 be an undirected graph, which is a path on 8 vertices. The number of matchings in 𝐺 is ______. (answer in integer)

Answer: 34 — For a path graph on nnn vertices, the number of matchings is:

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Correct answer: 34

For a path graph on nnn vertices, the number of matchings is: