Fun with num3ers
Saturday, November 27, 2010
Rational number and geometric progression
To show that a real number
q
is rational if and only if there are three distinct integers, a, b, c, such that
q + a, q + b, q + c
forms a geometric progression
A
geometric progression
, also known as a
geometric sequence
, is a...
http://en.wikipedia.org/wiki/Geometric_progression
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