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# vmt <> (not equall to) 0 IS v^2 x m^3 x t^-4 >0 (v

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Manager
Joined: 11 Jul 2004
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vmt <> (not equall to) 0 IS v^2 x m^3 x t^-4 >0 (v [#permalink]

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06 Sep 2004, 17:27
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1. vmt <> (not equall to) 0 IS v^2 x m^3 x t^-4 >0 (v square times m cube times t to the -4)

1. m > v^2 (m greater than v sqaure)
2. m > t^-4 (m greater than t to the -4)
Director
Joined: 05 May 2004
Posts: 577
Location: San Jose, CA
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Re: DS - Num Prop [#permalink]

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06 Sep 2004, 17:35
damit wrote:
1. vmt <> (not equall to) 0 IS v^2 x m^3 x t^-4 >0 (v square times m cube times t to the -4)

1. m > v^2 (m greater than v sqaure)
2. m > t^-4 (m greater than t to the -4)

D
either one is sufficient

v^2*m^3/t^4 >0
we know v^2 and t^4 is always >0
we need to check if m^3>0 or not
either 1 or 2 says m>0 -> m^3>0
Re: DS - Num Prop   [#permalink] 06 Sep 2004, 17:35
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