Question: can anybody help me with this question? POA Problem 2 40 points Are the following languages contexst-free or not? (a) If context-free, please show it

can anybody help me with this question?

POA Problem 2 40 points Are the following languages contexst-free or not? (a) If context-free, please show it by defining a pushdown automaton os a context-free grammar (b) If not context-free, please show a proof via Pumping Lemma for contest-free languages

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