13. which of the following(s) is/are not correct? a) the sequence sn{1+(-1'"} has limit point 0 and 2 (b) the sequence s, = {1+(-0"} has countable number of lim

13. Which of the following(s) is/are not correct? a) The sequence Sn{1+(-1'"} has limit point 0 and 2 (b) The sequence S, = {1+(-0"} has countable number of limit point (c) The range set of sequence S, ={1+(-1"} has limit point 0 and 2 (d) The range set of sequence S, = {1+(-1"} has not limit point