Question: 1. (12 points) Using the pumping lemma for context-free languages, prove that the following are not context-free languages. (a) L1 = {aht: n = 2m}.

1. (12 points) Using the pumping lemma for context-free languages, prove

1. (12 points) Using the pumping lemma for context-free languages, prove that the following are not context-free languages. (a) L1 = {a"ht: n = 2m}. (b) L2 = {a"b":n

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