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Hw 3 3. Give a context-free grammar for each of the following languages over S-a,b 3. Give a context-free grammar for each of the following

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3. Give a context-free grammar for each of the following languages over S-a,b

3. Give a context-free grammar for each of the following languages over S={a , b}: a) {aibj I i, j 20} b) {aibjak I i+j=k,

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