Question: (a) Let G = (V, E) be an undirected graph, with G1 = (V1, E1) a subgraph of G. Under what condition(s) is G1 not

(a) Let G = (V, E) be an undirected graph, with G1 = (V1, E1) a subgraph of G. Under what condition(s) is G1 not an induced subgraph of G?
(b) For the graph G in Fig. 11.27(a), find a subgraph that is not an induced subgraph.

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