x6-y6+x4+x2y2+y4因式分解x10+x5-2

乌岸2022-10-04 11:39:541条回答

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x6-y6+x4+x2y2+y4
=(x2-y2)(x4+x2y2+y4)+(x4+x2y2+y4)
=(x2-y2+1)(x4+x2y2+y4)
x10+x5-2
=(x5-1)(x5+2)
=(x-1)(x4+x3+x2+x+1)(x5+2)
1年前

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