Algebra - GMATPrep
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- jayhawk2001
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What the answer choices?djsir007 wrote:xy=1 then the value for 2(x+y)^2 / 2(x-y)^2
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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I have solved this question....and even managed the right answer....but I am sure you're missing some detail about the question