Q1: Let 1. ¹: HG is an isomorphism 2. if KH, then ¹(K) ≤ G Q2: Prove or Disprove 1. (Q*,) is a cyclic group? 2. (R,+) (R*,.) Q3: Let G be a group, g E G and let : GG such that (a) = gag-¹ show th