Use this to help you work it out.

First note that (Phi – 1/2)2 = Phi2 – Phi + 1/4
Using this we can write Phi2 – Phi – 1 as (Phi – 1/2)2 – 5/4
and since Phi2 – Phi – 1 = 0 then (Phi – 1/2)2 must equal 5/4
Taking square-roots gives (Phi – 1/2) = +(5/4) or –(5/4).
so Phi = 1/2 + (5/4) or 1/2 – (5/4).
We can simplify this by noting that (5/4) = 5/4 = 5/2

Posted By: tudders on September 6th 2007 at 13:05:32

Message Thread

how many fans will palarse bring down ?? (NCFC) - Fuel_rox, Sep 6, 13:02:01
- 哈尔滨工业 (n/m) (NCFC) - pants, Sep 6, 13:20:02
- 9 (n/m) (NCFC) - Tron, Sep 6, 13:16:44
- Use this to help you work it out. (NCFC) - tudders, Sep 6, 13:05:32
  - Hoe the feck can (NCFC) - CB41, Sep 6, 13:07:57
    - I've absolutely no idea. (n/m) (NCFC) - tudders, Sep 6, 13:09:27
    - Hoe?? - Who (n/m) (NCFC) - CB41, Sep 6, 13:08:42
      - Plymouth (n/m) (NCFC) - pants, Sep 6, 13:21:17
      - Arse - "How" you fecktard!!!!! (n/m) (NCFC) - CB41, Sep 6, 13:09:35
        
        Go and have a brandy and a lie down, you old fool (n/m) (NCFC) - Old Git, Sep 6, 13:12:51
        
        That's a spiffing idea, cheers OG. (n/m) (NCFC) - CB41, Sep 6, 13:18:32
        
        not sure Brandy will be happy with that (NCFC) - Dave in France, Sep 6, 13:35:45
        
        please don't confuse me with SCC (n/m) (NCFC) - Brandonio, Sep 6, 14:30:06
        
        oops (n/m) (NCFC) - Dave in France, Sep 6, 15:16:13
        
        He's got a midget in his bed? (n/m) (NCFC) - tudders, Sep 6, 13:58:00
        
        Nah, she'll be fine :-),) (NCFC) - CB41, Sep 6, 13:39:01
- Well they'll bring me down - (NCFC) - CB41, Sep 6, 13:03:35
  - its because thay are glad all over (n/m) (NCFC) - Fuel_rox, Sep 6, 13:04:45
    - DaveClarkeFivetastic (n/m) (NCFC) - CB41, Sep 6, 13:07:10
      - Dave Clark 5 were shit (n/m) (NCFC) - Fierce Panda, Sep 6, 13:24:04
        
        Indeed they were. However, I venture to suggest that (NCFC) - CB41, Sep 6, 13:26:32
        
        My dad Solvited a ma-hoo-sive speaker to my mother's tummy and played... (NCFC) - Fierce Panda, Sep 6, 13:30:20

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