Consider the following two problems on undirected graphs
α : Given G(V, E), does G have an independent set of size | V | - 4? β : Given G(V, E), does G have an independent set of size 5?
Which one of the following is TRUE?
(A) α is in P and β is NP-complete
(B) α is NP-complete and β is in P
(C) Both α and β are NP-complete
(D) Both α and β are in P
Answer: (C)
Explanation: Graph independent set decision problem is NP Complete.
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