Give regular expressions for the following languages. (a) L1 = {anbm, n ≥ 4, m ≤ 3} (b) L2 = {anbm : n < 4, m ≤ 3}

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Give regular expressions for the following languages.

(a) L1 = {anbmn ≥ 4, m ≤ 3}

(b) L2 = {anbm : n < 4, m ≤ 3}

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