1 votes 1 votes Consider the language L1 = ε and L2 = {a}. Which one of the following represents L1L2*UL1* ? (A) { ε } (B) Φ (C) a* (D) { ε , a} Sanjay Sharma asked Jan 19, 2017 Sanjay Sharma 1.6k views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
Best answer 3 votes 3 votes L1 (L2)* U L1* L1 = ε, L2 = {a} = ε a* U ε =a* U ε =a* option C sudsho answered Jan 19, 2017 selected Jan 20, 2017 by Sanjay Sharma sudsho comment Share Follow See all 0 reply Please log in or register to add a comment.