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(20 pt) Show that the following languages are not regular. (a) L= {a'bi | i = 2;}. (b) L = {w {a,b,c}* | w is

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(20 pt) Show that the following languages are not regular. (a) L= {a'bi | i = 2;}. (b) L = {w {a,b,c}* | w is a palindrome (i.e. w = w' = wR)}

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