 | What is the value of expression (2(x+y)^2) / (2(x-y)^2) |  |
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amollate@gmail.com
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Posted: Thu Aug 07, 2008 2:39 am |
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Hi,
The following is the GMAT Prep problem.
If xy = 1, What is the value of (2(x+y)^2) / (2(x-y)^2)
A. 2
B. 4
C. 8
D. 16
E. 32
The answer is D. Can you please explain the solution?
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