Mathematical Real Analysis Questions
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Q.1 Let A = (0,2]. Prove that A does not have a minimum. What is the infimum of A?
Q.2. Theorem. Given any two real numbers x < y, there exists
an irrational number satisfying x <t< y.
Proof. It follows from x < y that x−√2 < y−√2. Since Q is
dense in R, there exists p ∈Q such that x−√2 < p < y−√2.
Consequently··· (complete the proof.)
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