Question: 9. Let G be a weighted undirected graph and let T be an MST in G. After which of these operations will T still be

9. Let G be a weighted undirected graph and let T

9. Let G be a weighted undirected graph and let T be an MST in G. After which of these operations will T still be an MST? Raising the weight of some edge e that is not in T. Lowering the weight of some edge e that is not in T. Raising the weight of some edge e that is in T. Lowering the weight of some edge e that is in T. Both options 2 and 4. Both options 1 and 4. Both options 2 and 3

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