math!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

man ying

2008-02-12 3:06 am

設f(x)為一多項式。若f(x)可被x-1整除，則f(2x+1)的因式是

回答 (2)

YK-En

2008-02-12 4:55 am

✔ 最佳答案

f(x)=(x-1)Q(x)

f(2x+1)=(2x+1-1)Q(2x+1)

=(2x)Q(2x-1)

therefore the factor of f(2x+1) is 2x

參考: 我

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chuen chi

2008-02-12 3:25 am

我識我估你係同我同年，但你轉左英文先，我睇唔係太明，唔該

參考: 我

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