f.4 mathz.
2010-07-09 7:59 pm
find the remainder when f(x)=(x+1)^2n - (x-1)^2n is divided by x , where n is a positive integer.
回答 (1)
2010-07-09 8:05 pm
✔ 最佳答案
Theorem: The remainder of f(x) when divided by (x-a) is f(a)So, when f(x)=(x+1)^2n - (x-1)^2n is divided by x,
the remainder=f(0)=1^2n-(-1)^2n=1-1=0
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