I need the answers and brief justifications for questions 2,3, and 4. Please

Question 1 is from our textbook, Introduction to Languages and the Theory of Computation, fourth edition, by John Martin. 1. Text p. 39 # 1.33c. Also, explain why the left hand side and right hand side are not equal for the example you gave. 2. Let -(a,b). Let Lir(b,a). Let L2"(baa,a,abbbb,bab,b). For each of parts a, b, c below, say whether the given statement is true or false and circle your answer. You should also give a brief justification of your answer for each part. b) L2 SLI c) Li-L2. 3. 310 540ond to th lingusge b) Let = {a,b). Give the language corresponding to the regular expression 4. Let ={a,b). Let L be the language consisting of all strings of length at least 2 over whose first and last characters are the different. Give a regular expression corresponding to L