Question: For each degree sequence below, decide whether it must always, must never, or could possibly be a degree sequence for a tree. Remember, a degree

For each degree sequence below, decide whether it must always, must

For each degree sequence below, decide whether it must always, must never, or could possibly be a degree sequence for a tree. Remember, a degree sequence lists out the degrees (number of edges incident to the vertex) of all the vertices in a graph in non-increasing order. a) (4,1,1,1,1) b) (3,3,2,1,1)

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