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# I get D, when OA is A. in (2) I arrive at two unique roots

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Manager
Joined: 14 Jul 2008
Posts: 95
Schools: HBS, Stanford.
I get D, when OA is A. in (2) I arrive at two unique roots [#permalink]

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18 Aug 2008, 09:14
I get D, when OA is A.

in (2) I arrive at two unique roots for y, 0 and 2. but since xy > 0 , y must be 2. Sufficient.

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Re: OG Supplement #80 - error? [#permalink]

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19 Aug 2008, 03:08
Can you repeat the question please?

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This is not a quality discussion. It has been retired.

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Re: OG Supplement #80 - error?   [#permalink] 19 Aug 2008, 03:08
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# I get D, when OA is A. in (2) I arrive at two unique roots

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