perplexus.info :: Just Math : Proof

Proof (Posted on 2002-05-29)

Prove that 3.999... = 4

See The Solution Submitted by Half-Mad

Rating: 3.6667 (9 votes)

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re:

| Comment 5 of 45 |

(In reply to by bill cochran)

The only thing left to show is that

∑ 9/(10^-i) = 1

Posted by levik on 2002-07-31 11:15:22

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