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Hello, I need help solving these two computer science questions. 4. Consider the following CFG with start state S: S OAS 1BSE A OAA 1

Hello, I need help solving these two computer science questions.

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4. Consider the following CFG with start state S: S OAS 1BSE A OAA 1 B + 1BBO Determine the language generated by S. Justify your answer. 5. Show that the set of context-free languages is closed under the three Kleene operators

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