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Math Help - Pell Numbers

  1. #1
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    Pell Numbers

    Hi

    Can anyone point me to a proof that for pell number P

    n\to \infty \ \ \ \ \ \dfrac{P_{n-1}}{P_n} \to \dfrac{2}{\sqrt{2}}

    Thanks
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  2. #2
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    Re: Pell Numbers

    Have you seen this webpage?
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  3. #3
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    Re: Pell Numbers

    Quote Originally Posted by Plato View Post
    Have you seen this webpage?
    Yes

    Was tired when I posted. Now I've had some coffee I know \dfrac{2}{\sqrt{2}}=\sqrt{2}

    Sorry and thanks
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