以(x-5)除f(x)=(x-6)2009平方+1所得的餘式為?

2016-06-20 11:33 am

回答 (2)

2016-06-20 11:48 am
Sol
f(x)=(x-6)^2009+1
f(5)=(-1)^2009+1=0
餘式為0
or
設[(x-6)^2009+1]/(x-5)=g(x)+p
=>
p為餘式
(x-6)^2009+1=(x-5)g(x)+p
(5-6)^2009+1=(5-5)g(5)+p
(-1)+1=p
p=0
2016-06-27 4:36 am
x-5=0
x=5
f(x)=(x-6)^2009 +1
f(5)=(5-6)^2009 +1
f(5)=(-1)^2009 +1
f(5)=0


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