Question: Problem 3 : Let L = { anbn, n > 0 } , . a ) Prove that L ^ 2 is CFL b )

Problem 3: Let L={ anbn, n>0},. a) Prove that L^2 is CFL b) Prove that L^
k is CFL, where k is an integer greater than or equal to 1 c) Prove that the language, over alphabet {a,b,c}, that is comprised of strings that are comprised of only as or only bs or only cs, is CFL

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