1.

Let G be a weighted connected undirected graph with distinct positive edge weights. If every edge weight is increased by the same value, then which of the following statements is/are TRUE?

P: Minimum spanning tree of G does not change
Q: Shortest path between any pair of vertices does not change

A. P only
B. Q only
C. Neither P nor Q
D. Both P and Q
Answer» B. Q only


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