Question2 Write a grammar for the language over {0,1} {w : w starts with 0 and e

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Question2

Write a grammar for the language over {0,1} {w : w starts with 0 and ends with 01 with any number of 0's or 1's in the middle, {w : w contains an odd number of 0's Let S = {a, b}, L = {All words which contain an odd number of a's followed by an even number of {b s} Write a regular expression for L Let S = {a,b,c}, L = {all words that contain the substring "abc"} Write a regular expression for L Write a grammar for the language consisting of strings that have n copies of the letter a followed by the same number of copies of the letter b where n > 0. For example strings ab, aaaabbbb, are in the language but a abb, ba, aaabb are not. Draw parse trees for the sentences aabb and aaaabbbb as derived from the grammar in 4

Explanation / Answer

a(aa)*(bb)+

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