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# PS Prob

Author Message
Intern
Joined: 01 Jan 2006
Posts: 28
Followers: 0

Kudos [?]: 3 [0], given: 0

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05 Nov 2006, 03:33
00:00

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions

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Someone help
Attachments

ps1.zip [24.21 KiB]

Manager
Joined: 22 Jul 2006
Posts: 50
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Kudos [?]: 3 [0], given: 0

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05 Nov 2006, 08:32
(x+y)*(x-y) is the only combination that will works

so the answer is 1/4c2 = 1/6
05 Nov 2006, 08:32
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