Sequentailly Compact and Connected

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Homework Statement



Which subset of R are both sequentially compact and connected?

Homework Equations





The Attempt at a Solution


The connected subsets of R are the empty set, points, and intervals.
The subsets of R that are compact are closed and bounded.

Thus, the subsets of R that are both sequentially compact and connected are closed, bounded continuous intervals. Is this correct?
 
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I'm convinced. But I don't think you need to say an interval is 'continuous'. If you mean 'without holes' isn't that automatic?
 
Yes, I see what you mean. Thank you.

Does anyone know how to close or edit the words "SOLVED" in threads?
 
There are two things I don't understand about this problem. First, when finding the nth root of a number, there should in theory be n solutions. However, the formula produces n+1 roots. Here is how. The first root is simply ##\left(r\right)^{\left(\frac{1}{n}\right)}##. Then you multiply this first root by n additional expressions given by the formula, as you go through k=0,1,...n-1. So you end up with n+1 roots, which cannot be correct. Let me illustrate what I mean. For this...
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