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Question

Regular expression for the complement of language L = {a^n b^m I 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).None of the above

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Q. Regular expression for the complement of language L = {a^n b^m I n ≥ 4, m ≤ 3} is

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