Thursday 2 July 2015

Q24,p3,d14. Regular expression for the complement of language L = {anbm| n ≥4, m ≤3} is



(A) (a + b)* ba(a + b)*
(B) a* bbbbb*
(C) (λ+ a + aa + aaa)b* + (a + b)* ba(a + b)*
(D) None of the above
Answer D.

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