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AlgebraicIntegerQ
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AlgebraicUnitQ
AlgebraicUnitQ
[
a
]
yields
True
if
a
is an algebraic unit, and yields
False
otherwise.
MORE INFORMATION
A number is an algebraic unit if both it and its reciprocal are algebraic integers.
EXAMPLES
CLOSE ALL
Basic Examples
(3)
Test whether
is an algebraic unit:
In[1]:=
Out[1]=
In[1]:=
Out[1]=
In[1]:=
Out[1]=
Scope
(4)
Properties & Relations
(3)
SEE ALSO
AlgebraicIntegerQ
AlgebraicNumberDenominator
RootOfUnityQ
AlgebraicNumber
MinimalPolynomial
RootReduce
Algebraics
TUTORIALS
Algebraic Number Fields
MORE ABOUT
Algebraic Number Theory
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© 2008 Wolfram Research, Inc.
EXAMPLES
Basic Examples 
Scope 