1)Construct a PDA accepting the language {anb2n | n = 0}. Prove your construction correct. 2) Which

1)Construct a PDA accepting the language {anb2n | n ≥ 0}. Prove your construction correct. 2) Which of the following languages are regular? Give shortexplanations. (The alphabet is   Σ = {a, b}.) a) L = {w:na(w) ≠ nb(w)} b) L ={ anb1 : n >= 100, l <=100} c) L ={uwwrv :u,v,w ∈ Σ +} d) L ={bnalbk : n>5, l>3,l >= k} Attached

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