<p dir="ltr"><img src="https://media.cheggcdn.com/media%2F38f%2F38f055f0-b9c0-44ea-a5da-3b655480a52a%2Fimage.png" alt="2. Pumping lemmas (a) Prove that the language (utttulu, t E Σ*) is not regular (b) Prove that the language (aba3 ba2n) is not context-free." aria-describedby="d3f"/></p><p dir="ltr"/><p
<p><img alt="4 Shwl(d, (ll, U Give a BNF grammar that generates all comments that start with /* and end with*/. The comment can contain any nonempty string produced from the
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