Question: Construct npda's that accept the following languages. SOLVED

Question: Construct npda's that accept the following languages. SOLVED

Construct npda's that accept the following languages.

(a) L = {a^n b c^n+m : n, m ≥ 0}

(b) L = {a^n b^m : 2n ≤ m ≤ 4n}

(c) L = { w: na(w) + nb(w) = nc(w)} (NOTE: The a b and c are subscript)

(d) L = {ww : w ∈ {a, b}+ }
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