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Why, since |k| = sqrt((k^2)), is k not also equal to -(1/2)?

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RonPurewal
 Post subject: Re: Why, since |k| = sqrt((k^2)), is k not also equal to -(1/2)?
 Post Posted: Sat Oct 24, 2009 7:05 am 
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ManhattanGMAT Staff


Posts: 6765
absolutely correct. in that example, k should be able to equal either 1/2 or -1/2.

we'll fix that!

(by the way, you posted this thread in the wrong folder. i'll move it for you.)
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