与(x+1)(x2-x+1)的积等于x6-1的多项式是________.

发布时间:2020-08-10 09:47:08

与(x+1)(x2-x+1)的积等于x6-1的多项式是________.

网友回答

x3-1
解析分析:先将x6-1因式分解为(x-1)(x2+x+1)(x+1)(x2-x+1),再除以(x+1)(x2-x+1)即可.

解答:∵x6-1
=(x3)2-1
=(x3-1)(x3+1)
=(x-1)(x2+x+1)(x+1)(x2-x+1),
∴(x-1)(x2+x+1)(x+1)(x2-x+1)÷(x+1)(x2-x+1)
=(x-1)(x2+x+1)
=x3-1.
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