Question: Consider the language L defined by the regular expression: (a + b) (ab+ ba) (a + b). (a) Find a regular expression which defines Pref(L),

Consider the language L defined by the regular expression: (a +

Consider the language L defined by the regular expression: (a + b) (ab+ ba) (a + b). (a) Find a regular expression which defines Pref(L), the set of all prefixes of strings in L. (b) Find a regular expression which defines the intersection of L with another language, ((aa + bb)")

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