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1. Let E = {a,b}. For each of the languages below, give an example of a string in the language, and a string not in

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1. Let E = {a,b}. For each of the languages below, give an example of a string in the language, and a string not in the language. * * (a) {w *: W = uuru, for some u 22} (b) {we I* : ww = www} (c) {w e * : Uvw = wvu, for some {u, v} c *}. (d) {w e 5* : Www = uu, for some u e {*}. * *

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