Question: 12. (a) Prove using the pumping lemma that the following languages are not regular: i, L = { na(w)-nb(w) } (b) Consider the languages below.

12. (a) Prove using the pumping lemma that the following languages

12. (a) Prove using the pumping lemma that the following languages are not regular: i, L = { na(w)-nb(w) } (b) Consider the languages below. For each, make a conjecture whether or not it is regular. Then justify your conjecture

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