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Forum URL: http://www.cut-the-knot.org/cgi-bin/dcforum/forumctk.cgi
Forum Name: This and that
Topic ID: 619
Message ID: 1
#1, RE: a + b divides a^3 + b^3
Posted by alexb on Jun-14-05 at 02:07 PM
In response to message #0
Why won't you replace b with -b in the formula you already know?