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Peter Linz Edition 4 Exercise 4.1 Question 12 (Page No. 109)
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Suppose we know that $L_1 ∪ L_2$ is regular and that $L_1$ is finite. Can we conclude from this that $L_2$ is regular?
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Peter Linz Edition 4 Exercise 4.1 Question 14 (Page No. 109)
If $L$ is a regular language, prove that the language {$uv : u ∈ L,υ ∈ L^R$} is also regular.
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Peter Linz Edition 4 Exercise 4.1 Question 13 (Page No. 109)
If $L$ is a regular language, prove that $L_1 =$ {$uv : u ∈ L, |υ| = 2$} is also regular.
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Apr 4, 2019
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Peter Linz Edition 4 Exercise 4.1 Question 11 (Page No. 109)
Show that $L_1 = L_1L_2/L_2$ is not true for all languages $L_1$ and $L_2$.
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Apr 4, 2019
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Peter Linz Edition 4 Exercise 4.1 Question 10 (Page No. 109)
Let $L_1 = L (a^*baa^*)$ and $L_2 = L (aba^*)$. Find $L_1/L_2$.
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