How can you prove or disprove that 1 = 0.999999…?

The answer to this Problem of the Week can be found here.


2 Comments

ildar · May 7, 2012 at 11:20 AM

Ha-ha-ha! Correct but not obvious equation.

Just consider 1 as 3 * (1/3) where 1/3 is 0.333… or 0.(3). The next step is reverse one: 0.333… * 3 = 0.999… or 0.(9). That is 1.

There are more than one proof. I shown the simplest.

POW Answer – 0.999999 Repeating Equals One? | Chris West's Blog · May 14, 2012 at 3:30 PM

[…] The following answers the Problem of the Week from May 7, 2012: […]

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