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Algebra - GMATPrep

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Re: Algebra - GMATPrep

by jayhawk2001 » Sun Apr 15, 2007 5:12 pm
djsir007 wrote:xy=1 then the value for 2(x+y)^2 / 2(x-y)^2
What the answer choices?

If I read the question correctly, we can narrow it down to

(x^2 + y^2 + 2) / (x^2 + y^2 -2) but this is straight-forward
subst that will probably not appear on the GMAT as a full question.
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by djsir007 » Mon Apr 16, 2007 2:49 am
I think the answers were 2, 4, 8, 16
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by Cybermusings » Mon Apr 16, 2007 3:23 am
I have solved this question....and even managed the right answer....but I am sure you're missing some detail about the question
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by djsir007 » Mon Apr 16, 2007 3:09 pm
I lost the answers, but I am sure it was 16.
I have no idea how they got this.
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