These solutions may offer step-by-step problem-solving explanations or good writing examples that include modern styles of formatting and construction of bibliographies out of text citations and references. Students may use these solutions for personal skill-building and practice. Unethical use is strictly forbidden.Let T be the spanning tree containing all vertices of S.
Then G\S (i.e. remove vertices of S from G) is a connected graph.
Then, for every node from S there should be an edge (of the spanning tree) such that it connects it to a vertex that is not in S....
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