#p#

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ddm
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Joined: 28 Jul 2008
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Posted: Fri Aug 29, 2008 2:48 pm Post subject: #p#

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parallel_chase
GMAT Destroyer!

Joined: 20 Jun 2007
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Target GMAT Score: 800

Posted: Fri Aug 29, 2008 3:59 pm Post subject: Re: #p#

ddm wrote:

attachment

#p#=ap^3 + bp -1

#-7#= -343a - 7b -1

-343a - 7b -1 = 3

343a + 7b +1 = -3

343a + 7b = -4

#7# = 343a + 7b -1

#7# = -4 -1 = -5

Hope this helps.

Thanked by: ddm

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