Q1 Strings from RES There are six strings of length 4 which cannot be produced by the following regular expression over the alphabet Σ = {a, b}. What are they? (ab+a)* (a+bb)*

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Q: pls answer these four question with solution thank you

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A: Summary:- the required value of K is 0Explanation:

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Q: 1 1. y'+y=x 3 3 1 y' + y = x²³y³ { \ = = = x² + cr² } X 2 y 2 4

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