0.9 repeating = 1? - Chief Delphi

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0.9 repeating = 1?

24-08-2010, 03:20

BornaE

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FRC #0842 (Formerly 39)

Team Role: Engineer

Join Date: Jan 2007

Rookie Year: 2007

Location: Gilbert, Arizona

Posts: 359

Re: 0.9 repeating = 1?

Lets try it this way.

X=.99999...
Thus X*10=9.99999....
now 9X = X*10 - X = 9.999... - 0.999... = 9.000
9X = 9
X = 1

And proven.

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