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Quick Questions, Short Answers - No Debate

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Author Topic:   Quick Questions, Short Answers - No Debate
Straggler
Member (Idle past 96 days)
Posts: 10333
From: London England
Joined: 09-30-2006

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Message 156 of 341 (648338)
01-14-2012 5:08 PM

Question About Pi
How do we know that Pi is an irrational number? I.e. a number that cannot be represented as terminating or repeating decimals.
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How do we know that Pi doesn't end after 10 trillion decimal places or just start repeating the previous 10 trillion (or whatever)?
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Can it be proved that Pi is irrational? How does one go about proving that a ratio such as Pi is definitely irrational?
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