Regular expression for the complement of language L = {an bm | n ≥ 4, m ≤ 3} is
A. (a + b)* ba(a + b)*
B. a* bbbbb*
C. (l + a + aa + aaa)b* + (a + b)* ba(a + b)*
D. None of the above
Answer:D
Regular expression for the complement of language L = {an bm | n ≥ 4, m ≤ 3} is
A. (a + b)* ba(a + b)* B. a* bbbbb* C. (l + a + aa + aaa)b* + (a + b)* ba(a + b)* D. None of the above