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Topic: Help Needed in math
Replies: 25   Last Post: May 2, 2014 6:01 PM

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Karl-Olav Nyberg

Posts: 419
Registered: 12/6/04
Re: Help Needed in math
Posted: Apr 29, 2014 6:06 PM
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On Monday, April 28, 2014 10:30:47 AM UTC+2, punisher wrote:
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> Can someone help me solve this
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> Find the largest values of the integer a for which ax^2-5x-3 is negative for all values of x.
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Hi.

set a = (5x + 3) / x^2 and find the minima of this function. This will, with your constraints, give the answer: a = -3

KON



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