Sn ing sequence n 1 n 1 a Find the first three terms of the sequence whose nth term is given 10 2 S2 1 3 3 2 4 b Classify the sequence as arithmetic geometric both or neither O arithmetic O geometric O both Oneither If arithmetic give d if geometric give r if both give d followed by r If both enter your answers as a comma separated list If neither enter NOI Need Help Read It