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Forum URL: http://www.cut-the-knot.org/cgi-bin/dcforum/forumctk.cgi
Forum Name: High school
Topic ID: 166
Message ID: 6
#6, RE: infinite series
Posted by pradeep on Jul-12-02 at 07:14 AM
In response to message #5
let

x = 1/2 + 1/4 + 1/8 .........inf


hence this satisfies the equation

x/2 + 1/2 = x

so

x= 1