Question: Find grammars for sigma = {a, b} that generate the following languages; all strings with exactly one a. all strings with at least on a.

Find grammars for sigma = {a, b} that generate the following

Find grammars for sigma = {a, b} that generate the following languages; all strings with exactly one a. all strings with at least on a. all strings with no more than 3 a's

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