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From: sinclair@aero.ARPA (William S. Sinclair)
Newsgroups: net.math
Subject: Re: REPEATED ROOTS
Message-ID: <447@aero.ARPA>
Date: Thu, 19-Sep-85 15:54:52 EDT
Article-I.D.: aero.447
Posted: Thu Sep 19 15:54:52 1985
Date-Received: Mon, 23-Sep-85 00:42:28 EDT
References: <3122@garfield.UUCP>
Reply-To: sinclair@aero.UUCP (William S. Sinclair)
Distribution: net
Organization: The Aerospace Corp., El Segundo, CA
Lines: 14
Summary: 

Dear Robert:
 
What you really have is the recursion formula:

x(n+1)=2+sqrt(x(n))

If you assume x(n+1)=x(n)  [the limit case] then

x=2+sqrt(x)

Which gives x=4 or 1. THe second value assumes that you use the negative root.

                                     Bill Sinclair  213/647-1753