Consider the following CFL
L1={an|n≥1}
L2={bnan|n≥1}
L3={0n1m |n=2m, n,m≥0}
L4={ap|p is odd number}
How many statements are true?
(i) Complement of L1 is also regular.
(ii) Union of L2 and L3 is also CFL
(iii) Intersect of L1 and L4 is also CFL
(iv) Concatenation of L1 and L2 is also CFL
Enter numerical value using the virtual keypad. Round off where necessary.