Question: Using the notation of Example 1 . 1 3 , find grammars for the languages below. Assume = { a , b , c }

Using the notation of Example 1.13, find grammars for the languages below. Assume ={a, b, c}.
(a) L ={w : na (w)= nb (w)+1}.
(b) L ={w : na (w)> nb (w)}.
*(c) L ={w : na (w)=2nb (w)}.
(d) L ={w in {a, b}* : |na (w) nb (w)|=1}.

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