What is the number of vertices of degree 2 in a path graph having n vertices,here n>2.

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Mr. Dubey

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Q. What is the number of vertices of degree 2 in a path graph having n vertices,here n>2.

(A) n-2
(B) n
(C) 2
(D) 0

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✅ Correct Answer: (A) n-2

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