Hello,
For me both answer D and E hold true. If we assume X=1 => the expression equals X if we assume X=-1, the expression again equals X.
Could you please help to understand?
Thank you!
Inna
GMAT Forum
- by opp
- Sun May 12, 2013 8:09 am
- Forum: GMAT Official Practice Test Math
- Topic: If x does not equal 0, then square root of x^2/x =
- Replies: 12
- Views: 18635
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