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Question

Given the language L = {ab, aa, baa}, which of the following strings are in L* ?

1) abaabaaabaa
2) aaaabaaaa
3) baaaaabaaaab
4) baaaaabaa

a.

1, 2, 3

b.

2, 3, 4

c.

1, 2, 4

d.

1, 3, 4

Answer: (c).1, 2, 4

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Q. Given the language L = {ab, aa, baa}, which of the following strings are in L* ? 1) abaabaaabaa 2) aaaabaaaa 3) baaaaabaaaab 4) baaaaabaa