Answer Happy

Find context-free grammars for each of the following grammars, assuming that m, n > 0. (d) L= {w {a,b}*: na(w) #n(w)} (a) L= {a"b": n ≤m +3} (b) L {a"b": n m 1} (c) L = {a"b": n #2m} (c) L = {w€ {a,b}*: na(w) = 2n, (w) + 1}