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Proof (Posted on 2002-05-29) Difficulty: 3 of 5
Prove that 3.999... = 4

See The Solution Submitted by Half-Mad    
Rating: 3.6667 (9 votes)

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Solution A Different Method | Comment 42 of 44 |

Let M = 3.999...
so, M/4 = 0.999...
subtracting, we obtain:
3M/4 = 3
0r, M =4, so that:
3.999... = 4 


  Posted by K Sengupta on 2007-03-24 11:48:28
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