6. Let S be an infinite subset of R such that that ST{ais compact for some ae S. Then which one of the following is TRUE? (a.) S is a connected set (b.) S contains not limit points (c.) S is a union of open intervals (d.) Every sequence in S has a subsequence converging to an elements in S
this question is very standard, solved by taking some example for which either given option hold or not hold.
always try to think about some examples which oppose the option, if yo...