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# Can this question be wrong at MBA.com

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Can this question be wrong at MBA.com [#permalink]  11 Jun 2008, 09:07
I encountered this question at the official gmat site test, can the question be wrong.
If xy = 1, what is the value of: 2(x+y)square/2(x-y)square.
the options are 2, 4, 8, 16, 32.
Pls explain.
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Re: Can this question be wrong at MBA.com [#permalink]  11 Jun 2008, 09:25
Is the question 2(x+y)^2/2(x-y)^2 ?

I remember to have seen question close to this and it was straight forward. Did you translate the question correctly?
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Re: Can this question be wrong at MBA.com [#permalink]  11 Jun 2008, 10:15
check this out..

http://gmatclub.com/forum/p478092#p478092

i think this question is flawed..
Re: Can this question be wrong at MBA.com   [#permalink] 11 Jun 2008, 10:15
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