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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: 1,417 Registered: 12/6/04
Re: Help Needed in math
Posted: Apr 29, 2014 6:06 PM

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

Date Subject Author
4/28/14 punisher
4/28/14 quasi
4/29/14 Peter Percival
4/29/14 Karl-Olav Nyberg
4/28/14 Peter Percival
4/29/14 William Elliot
4/29/14 Peter Percival
4/29/14 Karl-Olav Nyberg
4/29/14 Karl-Olav Nyberg
4/29/14 Karl-Olav Nyberg
4/29/14 Karl-Olav Nyberg
4/29/14 William Elliot
4/30/14 Karl-Olav Nyberg
4/30/14 William Elliot
4/30/14 Karl-Olav Nyberg
4/30/14 William Elliot
5/1/14 Karl-Olav Nyberg
5/1/14 William Elliot
5/1/14 quasi
5/2/14 William Elliot
5/2/14 quasi
5/2/14 William Elliot
5/2/14 snmpprotocol@gmail.com
5/2/14 quasi
5/2/14 Karl-Olav Nyberg
5/2/14 quasi