Let L be a regular language. Consider the constructions on L below: repeat (L)…
GATE · 2006 · IT
Let L be a regular language. Consider the constructions on L below:
repeat (L) = {ww | w ∊ L}
prefix (L) = {u | ∃v : uv ∊ L}
suffix (L) = {v | ∃u uv ∊ L}
half (L) = {u | ∃v : | v | = | u | and uv ∊ L}
Which of the constructions could lead to a non-regular language?
- A.
Both I and IV
- B.
Only I
- C.
Only IV
- D.
Both II and III
Attempted by 119 students.
Sign up free to check your answer
Sign up freeLoading lesson…