Question: Using both Pumping Lemma and Equivalence class techniques prove that following languages are not regular Using both Pumping Lemma and Equivalence class techniques prove that
Using both Pumping Lemma and Equivalence class techniques prove that following languages are not regular

Using both Pumping Lemma and Equivalence class techniques prove that following languages are not regular A_1 = {0^n 1^n 2^n | n greaterthanorequalto 0} A_2 = {www|w belongs to {a, b}*} A_3 = {a^2n|n greaterthanorequalto 0} (here, a^2^n means a string of 2^n a's.)
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