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If xy=1, what is the value of 2(x+y)^2/2(x-y)^2 I am sure it

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Intern
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If xy=1, what is the value of 2(x+y)^2/2(x-y)^2 I am sure it [#permalink] New post 21 Jan 2006, 10:41
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

If xy=1, what is the value of

2(x+y)^2/2(x-y)^2

I am sure it is easy but somehow I am not able to see the trick.

Thanks
VP
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 [#permalink] New post 21 Jan 2006, 10:49
Jumbojet is this a DS quesion or a PS question? Is there ary other information provided?
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Intern
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 [#permalink] New post 21 Jan 2006, 11:18
This is a PS question. I don't remember the choices though.

There were 5 choices for this one.

Thanks
Director
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Re: GMATPrep easy question... [#permalink] New post 21 Jan 2006, 22:05
jumbojet wrote:
If xy=1, what is the value of

2(x+y)^2/2(x-y)^2

I am sure it is easy but somehow I am not able to see the trick.

Thanks

http://www.gmatclub.com/phpbb/viewtopic.php?t=25643
Discussed recently!Couldn't solve it ))there must be a typo in the stem!Anyways the OA s 16.
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Re: GMATPrep easy question...   [#permalink] 21 Jan 2006, 22:05
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If xy=1, what is the value of 2(x+y)^2/2(x-y)^2 I am sure it

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