compiler

Question 1 (1 point) A language, L = E + a + aa + aaa + is represented by a+ (a+b)* None of the above Question 2 (1 point) Saved All strings that starts with ab and ends with ba is: ab a*b* ba ab (a+b)* ba ab (ab)* ba None of the above Question 3 (1 point) All string that starts and ends with a different symbol: O a (a+b)* b + b (a+b)* b Ob (a+b)* b Ob (a+b)* a O a (a+b)* b