What is vertex coloring of a graph? A. A condition where any two vertices having a common edge should always have same color B. A condition where all vertices should have a different color C. A condition where any two vertices having a common edge should not have same color D. A condition where all vertices should have same color E. None of these

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Minimum Spanning Tree

A spanning tree is a sub-graph of a connected, undirected graph. It has all the vertices of a graph with the minimum possible number of edges. If a vertex is skipped, then it will not be a spanning tree. The edges of a spanning tree may or may not have weights.