kindlychung Messages 10 Reaction score 0 Thread starter Sep 26, 2010 #1 This is an analysis exercise, I don't get the definition of S. Could anyone explain, please? See the attached pic. Attachments 2010-09-26-234324_776x170_scrot.png 13.5 KB · Views: 881
This is an analysis exercise, I don't get the definition of S. Could anyone explain, please? See the attached pic.
LCKurtz Science Advisor Homework Helper Messages 9,567 Reaction score 775 Sep 26, 2010 #2 It might help you to look at an example. Let an = (-1)n/n. Plot a few of these: -1, 1/2, -1/3, 1/4, ... Now what x would be in your set S? Can you see any x ≤ 0 is in S but any x > 0 isn't?
It might help you to look at an example. Let an = (-1)n/n. Plot a few of these: -1, 1/2, -1/3, 1/4, ... Now what x would be in your set S? Can you see any x ≤ 0 is in S but any x > 0 isn't?
