Question: please do those questions D2L Bright space 1. Consider the language for 12 f m LB (a Prove that LB is not regular. You may

please do those questions please do those questions D2L Bright space 1. Consider the language

D2L Bright space 1. Consider the language for 1"2 f m LB (a Prove that LB is not regular. You may use the pumping lemma and closure properties for regular languages. (b) Give a Context-Free Grammar for LB 2. Consider the following Context-Free Grammar: A alas I BAA Give parse trees and leftmost derivations for each of the following strings. (a) ababba (b) aaabbb (c) baaalbab 3. Design context-free grammars that generate each of the following languages (all over the alphabet (0,1) (a) w E (0,1) where w has odd length and its first, last, and middle symbols are the same (b) (0"1" n m +2)

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