Gmat Prep - Root & Mod

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Source: — Data Sufficiency |

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by Target2009 » Mon Jul 25, 2011 12:49 pm
IMO : B
Regards
Abhishek
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by sarahw_gmat » Mon Jul 25, 2011 2:29 pm
Target2009 wrote:IMO : B
Could you please explain the solution?

thanks.

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by dabral » Mon Jul 25, 2011 9:09 pm
This a difficult question that uses one of the absolute value identity.

Here is a video explanation:

https://www.gmatquantum.com/shared-posts ... lue16.html

Dabral
Free Video Explanations: 2021 GMAT OFFICIAL GUIDE.