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(a) Use the pumping lemma to show that the language {s{0,1}s=(01)i(10)ifori0} is not regular. (b) Show that the language {s{0,1}s=(01)i(01)ifori0} is regular. Give a Context

(a) Use the pumping lemma to show that the language {s{0,1}s=(01)i(10)ifori0} is not regular. (b) Show that the language {s{0,1}s=(01)i(01)ifori0} is regular. Give a Context Free Grammar for the Regular Expression: ab(ab)(c(ab)) Give a Regular Expression for the following Context Free Grammar, or give a proof or a concise logical argument why an equivalent Regular Expression does not exist, SAXAaAaXabXc

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