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Pi problem (Posted on 2002-12-11) Difficulty: 5 of 5
Prove that 'pi' is irrational.

See The Solution Submitted by Dulanjana    
Rating: 3.0000 (12 votes)

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Some Thoughts re: methods of proof | Comment 8 of 14 |
(In reply to by danny)

I don't know if anyone has ruled this approach out, but the "infinity of ratios" you mentioned, in the proof of root2 as an irrational, is still only used to give a proof by contradiction. I know proof by contradiction isn't necessarily the most aesthetically satisfying way, but if it works.......
  Posted by Nigel Nisbet on 2003-02-14 11:28:55

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