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Periodic Continued Fractions
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Lecture 19: Continued Fractions
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Lecture 19: Continued Fractions
Quadratic Irrationals
Definition 1.1
An element
is a
quadratic irrational
if it is irrational and satisfies a quadratic polynomial.
Thus, e.g.,
is a quadratic irrational. Recall that
The continued fraction of
is
, and the continued fraction of
is
Does the
pattern repeat over and over again??
William A Stein 2001-10-25