Question: Real Analysis Proof Problem: 1. Let a,kER with k>0. Let S={a+(k/n): nEN}. Find,with proof, supS and infS. 2. What is the largest open interval I

Real Analysis Proof Problem:

1. Let a,kER with k>0. Let S={a+(k/n): nEN}. Find,with proof, supS and infS.

2. What is the largest open interval I such that the following corrected statement is true? for all a,b, a 1/(1+a^2) > 1/(1+b^2)

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