1.

Which of the following languages is/are regular?L1: {wxwR ? w, x ? {a, b}* and ?w?, ?x? >0} wR is the reverse of string wL2: {anbm ?m ? n and m, n=0L3: {apbqcr ? p, q, r = 0}

A. L1 and L3 only
B. L2
C. L2 and L3 only
D. L3 only
Answer» B. L2


Discussion

No Comment Found