Monday, May 13, 2013

Use the Factor Theorem to determine whether x-2 is a factor of P(x)= x^4-2x^3+3x-6. Specifically, evaluate P at the proper value, and then determine whether x-2 is a factor.

The Factor theorem tells us that if we evaluate a polynomial at one of its roots the value will be 0 
%0D%0AP%280%29=+%280%29%5E4-2%280%29%5E3%2B3%280%29-6=-6%0D%0A 

therefore x-2 is not a factor 


:)

No comments: