While learning about limit points the use of an open ball ha

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amit28it: Senior | Next Rank: 100 Posts; Posts: 82; Joined: Fri Nov 04, 2011 12:35 amFollowed by: 2 members

by amit28it » Tue Nov 15, 2011 5:26 am

While learning about limit points the use of an open ball has been of high discussion. Why can you not use a closed ball to define a limit point?

If someone could give me some intuition as to why I think I may get it.

Thanks.

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Source: Beat The GMAT — Quantitative Reasoning | Tue Nov 15, 2011 5:26 am

neelgandham: Community Manager; Posts: 1060; Joined: Fri May 13, 2011 6:46 amFollowed by: 52 members; Location: Utrecht, The Netherlands; Thanked: 318 times

by neelgandham » Wed Nov 16, 2011 1:49 am

Amit,

Though not sure of what you were asking for, the curious ME googled the web and found a thread which had the same question(word for word). The discussion in the forum made '0' sense to me, but made me laugh, real loud(you will know if you read).

https://www.physicsforums.com/showthread.php?p=3610695

Anil Gandham
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