Question: Question 2. (20 points, 7+3 each) Give a regular expression for the following sets. Explain the expression by writing what each part does. (a) L

Question 2. (20 points, 7+3 each) Give a regular expression for

Question 2. (20 points, 7+3 each) Give a regular expression for the following sets. Explain the expression by writing what each part does. (a) L = {w[W {a,b}* and w begins and ends with aa or bb} (b) L = {w|W {a,b}* and the number of a's in w is divisible by three }

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