Difference between revisions of "IFactor Command"

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<noinclude>{{Manual Page|version=5.0}}</noinclude>{{command|geogebra}}
 
<noinclude>{{Manual Page|version=5.0}}</noinclude>{{command|geogebra}}
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;IFactor[ <Polynomial> ]
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;IFactor( <Polynomial> )
 
:Factors over the irrationals.
 
:Factors over the irrationals.
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:{{Example|1=<div><code>IFactor[x^2 + x - 1]</code> gives <math> \left( x + \frac{-\sqrt{5} + 1}{2} \right)    \left( x + \frac{\sqrt{5} + 1}{2} \right)</math></div>}}
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:{{Example|1=<div><code>IFactor(x^2 + x - 1)</code> gives <math> \left( x + \frac{-\sqrt{5} + 1}{2} \right)    \left( x + \frac{\sqrt{5} + 1}{2} \right)</math></div>}}
 
==CAS Syntax==
 
==CAS Syntax==
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;IFactor[ <Expression> ]
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;IFactor( <Expression> )
 
: Factors over the irrationals.
 
: Factors over the irrationals.
−
:{{Example|1=<div><code>IFactor[x^2 + x - 1]</code> returns <math> \left( x + \frac{-\sqrt{5} + 1}{2} \right)    \left( x + \frac{\sqrt{5} + 1}{2} \right)</math></div>}}
+
:{{Example|1=<div><code>IFactor(x^2 + x - 1)</code> returns <math> \left( x + \frac{-\sqrt{5} + 1}{2} \right)    \left( x + \frac{\sqrt{5} + 1}{2} \right)</math></div>}}
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;IFactor[ <Expression>, <Variable> ]
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;IFactor( <Expression>, <Variable> )
 
:Factors over the irrationals with respect to a given variable.  
 
:Factors over the irrationals with respect to a given variable.  
−
:{{Example|1=<div><code>IFactor[a^2 + a - 1, a]</code> returns <math> \left( a + \frac{-\sqrt{5} + 1}{2} \right)    \left( a + \frac{\sqrt{5} + 1}{2} \right)</math></div>}}
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:{{Example|1=<div><code>IFactor(a^2 + a - 1, a)</code> returns <math> \left( a + \frac{-\sqrt{5} + 1}{2} \right)    \left( a + \frac{\sqrt{5} + 1}{2} \right)</math></div>}}
 
{{Note|1=See also [[CIFactor Command|CIFactor]] command.}}
 
{{Note|1=See also [[CIFactor Command|CIFactor]] command.}}

Latest revision as of 12:52, 5 October 2017

IFactor

This article is about GeoGebra command.

Command Categories (All commands)


IFactor( <Polynomial> )
Factors over the irrationals.
Example:
IFactor(x^2 + x - 1) gives \left( x + \frac{-\sqrt{5} + 1}{2} \right) \left( x + \frac{\sqrt{5} + 1}{2} \right)

CAS Syntax

IFactor( <Expression> )
Factors over the irrationals.
Example:
IFactor(x^2 + x - 1) returns \left( x + \frac{-\sqrt{5} + 1}{2} \right) \left( x + \frac{\sqrt{5} + 1}{2} \right)
IFactor( <Expression>, <Variable> )
Factors over the irrationals with respect to a given variable.
Example:
IFactor(a^2 + a - 1, a) returns \left( a + \frac{-\sqrt{5} + 1}{2} \right) \left( a + \frac{\sqrt{5} + 1}{2} \right)
Note: See also CIFactor command.
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