Example 2.  Use the "Horner tableau" to find [Graphics:Images/HornerMod_gr_55.gif] for the polynomial
        [Graphics:Images/HornerMod_gr_56.gif].  

Solution 2.

The fifth degree polynomial is

    [Graphics:../Images/HornerMod_gr_57.gif].  

When n=5 the Horner tableau is

[Graphics:../Images/HornerMod_gr_58.gif]

 

Substitute the coefficients  [Graphics:../Images/HornerMod_gr_59.gif]  and   [Graphics:../Images/HornerMod_gr_60.gif]  into the table and get

[Graphics:../Images/HornerMod_gr_61.gif]

 

[Graphics:../Images/HornerMod_gr_62.gif]

We are done.

Aside.  We can check out the quotient and remainder. The last step above gives us the coefficients [Graphics:../Images/HornerMod_gr_63.gif] of [Graphics:../Images/HornerMod_gr_64.gif] and  [Graphics:../Images/HornerMod_gr_65.gif].

 

[Graphics:../Images/HornerMod_gr_66.gif]

 

As before, in Example 1, we have:

    [Graphics:../Images/HornerMod_gr_67.gif]    and    [Graphics:../Images/HornerMod_gr_68.gif].
    
    [Graphics:../Images/HornerMod_gr_69.gif]
Then    
    [Graphics:../Images/HornerMod_gr_70.gif]
    
    [Graphics:../Images/HornerMod_gr_71.gif]

 

 

[Graphics:../Images/HornerMod_gr_72.gif]



[Graphics:../Images/HornerMod_gr_73.gif]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(c) John H. Mathews 2004