Denominator Command

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Denominator( <Function> )
Returns the denominator of a function.
Example: Denominator(5 / (x^2 + 2)) yields f(x)=(x2 + 2).
Denominator( <Number> )
For a rational number returns its denominator. It uses a numerical method, which limits this command to numbers with small denominator. For irrational input the denominator of its continued fraction is returned.


CAS Syntax

Denominator( <Expression> )
Returns the denominator of a rational number or expression.
Example: Denominator(2 / 3 + 1 / 15) yields 15.
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