Question: 1. Write a regular expression for the set of strings using the alphabet {a,b,c} that have each b immediately preceded by an a. Note that

1. Write a regular expression for the set of strings using

1. Write a regular expression for the set of strings using the alphabet {a,b,c} that have each b immediately preceded by an a. Note that I said "preceded", not "followed". Also note that a string need not have any b's at all

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