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gana: Junior | Next Rank: 30 Posts; Posts: 27; Joined: Wed Dec 01, 2010 10:37 pm

by gana » Mon Jan 24, 2011 5:41 pm

x is not equal to zero. What is square root of x^2 divided by x?
A. -1
B. 0
C.1
D. x
E. |x|/x

Source: Beat The GMAT — Quantitative Reasoning | Mon Jan 24, 2011 5:41 pm

bblast: Legendary Member; Posts: 1077; Joined: Mon Dec 13, 2010 1:44 am; Thanked: 118 times; Followed by:33 members; GMAT Score:710

by bblast » Wed Jan 26, 2011 10:23 am

the answer is E as the square root of x^2 is mod of X.

this has been discussed many times,

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