Multiple choice question for engineering Set 1 1. Which of the following identity is true? a) Ɛ +RR* = R* = ɛ + R*R b) (R1R2)*R1 = R1 (R2R1)* c) R*R* = R* d) All of the mentioned AnswerAnswer: d [Reason:] The former Re can be produced from the latter one. 2. The set of…