November 8th, 2018, 02:40 AM  #11  
Math Team Joined: Dec 2013 From: Colombia Posts: 7,502 Thanks: 2511 Math Focus: Mainly analysis and algebra  Quote:
The problem is in getting a proof that is general enough for the purpose required. This is what was troubling me.  
November 8th, 2018, 04:06 AM  #12 
Senior Member Joined: Sep 2016 From: USA Posts: 503 Thanks: 281 Math Focus: Dynamical systems, analytic function theory, numerics  
November 10th, 2018, 08:57 PM  #13  
Math Team Joined: Dec 2013 From: Colombia Posts: 7,502 Thanks: 2511 Math Focus: Mainly analysis and algebra  Quote:
In the remaining case, where $a > 0 > b$, zero is a rational between $p$ and $q$. Last edited by v8archie; November 10th, 2018 at 09:28 PM.  

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irrational, irrationals, number 
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