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Maths Help (for the know alls :P)
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John Anderton
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RE: Maths Help (for the know alls :P)
quote:
Originally posted by Ash_
The sum of a number and it's reciprocal is 30. Find the number.
x+1/x=30
x^2 + 1 = 30x
X^2 - 30x +1 = 0
A x^2 + B x + C = 0
Is a fraction ok ?? Cause its gotta be :S
Use [-B +- (B^2 - 4 AC)1/2] / 2A = Roots
ie roots are [-B + (B^2 - 4 AC)^1/2] / 2A And [-B + (B^2 - 4 AC)1/2] / 2A
Ill work it out ;)

This post was edited on 03-31-2005 at 02:54 PM by John Anderton.
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Messages In This Thread
Maths Help (for the know alls :P) - by Ash_ on 03-31-2005 at 12:55 PM
RE: Maths Help (for the know alls :P) - by John Anderton on 03-31-2005 at 01:00 PM
RE: RE: Maths Help (for the know alls :P) - by Ash_ on 03-31-2005 at 01:03 PM
RE: Maths Help (for the know alls :P) - by mad_onion on 03-31-2005 at 02:07 PM
RE: Maths Help (for the know alls :P) - by Ash_ on 03-31-2005 at 02:25 PM
RE: Maths Help (for the know alls :P) - by John Anderton on 03-31-2005 at 02:26 PM
RE: Maths Help (for the know alls :P) - by CookieRevised on 03-31-2005 at 02:34 PM
RE: Maths Help (for the know alls :P) - by John Anderton on 03-31-2005 at 02:39 PM
RE: Maths Help (for the know alls :P) - by CookieRevised on 03-31-2005 at 02:52 PM
RE: Maths Help (for the know alls :P) - by .Roy on 03-31-2005 at 02:56 PM
RE: Maths Help (for the know alls :P) - by John Anderton on 03-31-2005 at 02:59 PM
RE: Maths Help (for the know alls :P) - by CookieRevised on 03-31-2005 at 03:02 PM
RE: Maths Help (for the know alls :P) - by John Anderton on 03-31-2005 at 03:08 PM
RE: Maths Help (for the know alls :P) - by CookieRevised on 03-31-2005 at 03:14 PM
RE: Maths Help (for the know alls :P) - by mad_onion on 03-31-2005 at 06:39 PM
RE: Maths Help (for the know alls :P) - by John Anderton on 04-01-2005 at 11:49 AM
RE: Maths Help (for the know alls :P) - by Banks on 04-01-2005 at 08:44 PM
RE: Maths Help (for the know alls :P) - by Chrono on 04-01-2005 at 09:12 PM
RE: Maths Help (for the know alls :P) - by CookieRevised on 04-01-2005 at 09:48 PM
RE: Maths Help (for the know alls :P) - by John Anderton on 04-03-2005 at 11:50 AM
RE: Maths Help (for the know alls :P) - by Banks on 04-03-2005 at 03:25 PM
RE: RE: Maths Help (for the know alls :P) - by CookieRevised on 04-03-2005 at 04:04 PM
RE: Maths Help (for the know alls :P) - by John Anderton on 04-03-2005 at 05:35 PM
RE: Maths Help (for the know alls :P) - by CookieRevised on 04-04-2005 at 04:04 AM
RE: Maths Help (for the know alls :P) - by user2319 on 04-04-2005 at 05:49 PM
RE: Maths Help (for the know alls :P) - by CookieRevised on 04-05-2005 at 02:07 AM
RE: Maths Help (for the know alls :P) - by Fredzz on 04-05-2005 at 11:26 AM
RE: Maths Help (for the know alls :P) - by gif83 on 04-05-2005 at 11:33 AM
RE: Maths Help (for the know alls :P) - by John Anderton on 04-05-2005 at 11:37 AM
RE: Maths Help (for the know alls :P) - by user2319 on 04-05-2005 at 02:00 PM
RE: Maths Help (for the know alls :P) - by sasquatch on 04-06-2005 at 01:33 AM
RE: Maths Help (for the know alls :P) - by Dane on 04-06-2005 at 04:43 AM


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