IFactor Command
From GeoGebra Manual
- 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.