Question: 2. a) Write regular expressions/definitions for the following languages: i) All strings continuing no more than three a's over alphabet {a,b,c}. ii) The set

2. a) Write regular expressions/definitions for the following languages: i) All strings continuing no more

2. a) Write regular expressions/definitions for the following languages: i) All strings continuing no more than three a's over alphabet {a,b,c}. ii) The set of strings of 0's and I's whose number of 0's is divisible by three and whose number of 1's is odd. iii) All string of digits with at most one repeated digit. b) Convert the following NFA to DFA. Start 90 0 91 92 0,1 0,1 c) Sketch a brief argument for why any regular language can be recognized by an NFA. (09) (14) (07)

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